Abstract: A mobile learning laboratory for multi-discipline self-study through exploratory and experiential methods. The learning laboratory is permanently pre-configured eliminating installation or set-up; has physical equipment and consumables for complex investigation. The learning laboratory requires no teacher and can be self-taught or can be used with groups. The lab provides access to remote library resources, and gives operational feedback on its use.

Abstract: An animal packing dummy comprising a replica of a packing animal; a saddle coupled to the packing animal; a plurality of pack boxes coupleable to the saddle; a plurality of lash lines for securing the pack boxes to the replica using knots; and an instruction manual describing how to tie knots for securing the pack boxes to the replica.

Abstract: A telephone training device to be operated by children or someone without a working knowledge of telephones, uses at least one working telephone, and a memory to store a first set of numbers, a receiver to accept a second set of numbers, a comparator to compare the second set of numbers to the first set of numbers, and a tone generator. The tone generator generates one tone when the handset is removed from the telephone, a second tone when the second set of numbers is different from the first set of numbers, and a third tone when the second set of numbers is the same as the first set of numbers.

Abstract: An electronic accountability apparatus for use by an incident manager in the timing and tracking of multiple teams of personnel and equipment, such as in a fire fighting operation. The apparatus includes a timing system for tracking and selecting active teams and timing their task times, including monitoring the use of supplementary breathing apparatus as required. The apparatus also includes a tracking system to monitor the movement of active teams through various zones of a building, including the ability to determine the hazardous or hot zones, the current location of active teams, and the past locations of current teams. The data that is generated from the above "events" such as active team assignments, time in intervals, zone movement etc. are all stored in the battery backed up RAM that can be downloaded to a personnel computer to provide a complete history of the operation.

Abstract: A health physics instrument simulator system permitting an operator to simulate measurement of radiation levels of a plurality of radiation types includes a memory for storing first data corresponding to an n-dimensional training space representing a predetermined physical location, second data defining a radiation source including source strength, source type and source location with respect to the training space and radiation intensity data based on the second data, where each of the radiation intensity data corresponds to one respective location in the training space, a selecting device for selecting a predetermined simulated radiation sensing instrument, a pointing device for identifying a location within the training space defining a current location of the simulated radiation sensing instrument and a display for displaying both an instrument display corresponding to the simulated radiation sensing instrument and radiation intensity data corresponding to the current location in the training space.

Abstract: A method of training an operator in the use of first detection apparatus responsive to a first sensible emission of a hazardous nature, e.g. radio-active or ionizing radiations or toxic gases or vapors from war gases or nerve gases, and involves training the operator in the use of an alternative second detection apparatus responsive to a second sensible emission of a non-hazardous nature. For use in such a training method, there is provided, in combination, a self-contained movable supply of chemical, e.g. gaseous, material that in use provides a second sensible emission, and a detector responsive to the second sensible emissions and providing an indication commensurate with the level of those emissions, the indication being provided in units of the said first sensible emission. The self-contained movable supply may include one or more of: activated carbon, or silica gel, or a molecular sieve, or a nut or bolt, or a particulate material (e.g.

Abstract: A device for simulating electrical characteristics of an electrical, electronic or electromechanical component comprising circuitry (21) adapted to reproduce electrical characteristics which are produced by, or may be sensed in, the component, the device (1) being configured so as to substantially resemble the component in appearance and/or size. The device may have two substantially flat opposed surfaces (3,27), one of which carries a picture (5)of the component and the other a sectional view through the component to illustrate its technical construction or operation, and/or other data relating to the component. A kit may be provided comprising a number of such devices each to simulate a component forming part of an equipment or system so as to simulate the electrical characteristics and/or performance of the equipment or system.

Abstract: A method for teaching the practical application of a subject. The student is furnished an introductory body of information encompassing the subject and presented with a simulated life-like situation having a stated goal. Attaining the goal requires the completion, in order, of a series of steps utilizing the information. Each of the steps except for the first can be undertaken only upon the completion of a previous step, and once completed, a step cannot be repeated. Each completed step thus effectively becomes a part of the body of information comprising the subject. The student is able to exit any of the steps at will for the purpose of reviewing the body of information and thereafter to return directly to the exited step.

Abstract: Apparatus for training an operator in use of hydraulic and electrohydraulic fluid power systems that includes a vertical panel upstanding from a wheeled base. A first plurality of electrohydraulic devices are mounted on one side of the panel, and second plurality of hydromechanical devices are mounted on the opposing side of the panel. Both of the device pluralities include fluid flow control valves that are distinct from each other between the respective pluralities, and fluid load devices such as rotary hydraulic motors and linear hydraulic cylinders that are shared by the respective pluralities. A fluid power source is carried by the base, as are a multiplicity of hoses for connecting the fluid power source to the devices among either or both of the first and second pluralities. Thus, a hydromechanical trainer and an electrohydraulic trainer are provided in a single device with shared components for loading the valves of the respective training sections, which may be used simultaneously.

Abstract: Method and apparatus for testing human performance by measuring ability to employ job-related skills in an environment requiring skill switching in the presence of a forced attention shift. A human operator is tested by use of a monitor display upon which are presented an alternating sequence of primary tasks requiring utilization of different skills. A keyboard and a joy-stick are disclosed for use in performing the tasks. A danger indicating icon is presented along with the primary task, and the operator is forced to respond to danger indications thereof by operating a switch which is provided for that purpose.

Abstract: A method and apparatus for evaluating the task-processing style of an individual by presenting that individual with a simulated situation and recording the individual's responses while resolving the situation. A subject undergoing the assessment is asked to assume the responsibilities of an Assistant Superintendent of Parks, replacing an individual who has unexpectedly left that position. The subject is first trained in the use of a touch-sensitive screen display for accessing data that may be useful in fulfilling the responsibilities of the simulated position and for providing input data used in the exercise. Each action by the subject undergoing the assessment is recorded in a raw data stream, along with the time that it occurred, and is statistically analyzed with respect to several parameters that define the subject's task-processing style.

Abstract: Diagnosis of an electronically fuel-injected engine equipped with sensors connected to an on-board microcomputer. Use of a standard personal or portable computer and a connector for electrical connection to the sensors and the on-board computer. An interface device is connected between the connector and the computer to enable the computer to read the values of the operational parameters of the engine as detected by the sensors, and to perform a diagnostic software comparison of the measured values with predetermined values or ranges. The interface device is switchable to a selected sensor or the on-board computer under software control from the computer, and includes a multiple mode measurement device which is also selectively switched to a desired measurement mode by the computer. The computer is then able to selectively measure the operational parameters of the engine, test for correct operation, and display the appropriate diagnostic or tutorial instructions for fault location and rectification.

Abstract: A color-coded system of training illiterate, mentally handicapped or dyslexic individuals in the performance of certain tasks includes specifying colors designating particular objects and the task or operation to be performed with the object bearing a particular color. Color-coded visual indicators such as flash cards may be used to teach the individual to associate the color with the object and the operation.

Abstract: An intelligent education and simulation system which is capable of executing an optimized follow-up reeducation to the learner reflecting his/her idiosyncrasy toward understanding in learning. The intelligent education and simulation system has an execution instruction to execute a curriculum comprising a plurality of instruction courses regarding the subject teaching of an educational object and its simulation-based instruction. According to this execution instruction, intelligent computer assisted instruction of the subject teaching and the simulation-based instruction are implemented. The degree of understanding of these instructions by the learner is evaluated, and according to the degree of understanding thus comprehended, a pertinent follow-up instruction course(s) is chosen for reeducation. In this way, a pertinent reeducation instruction course(s) optimized for each learner is capable of being selected, and the time required for reeducation of the learner is minimized.

Abstract: A method for managing work progress of separate work jobs in a machine shop having a plurality of separate machining operations comprises applying to a work order document a row of colored labels with each colored associated with a respective one of the machining operations. The operator of an operation can therefore readily select jobs that require that operation by simple visual observation. Once that operation is effected, the label is removed and available for the next operation which is readily apparent due to the colored label. The selection of the colors associated with the various operations is effected so that ready recollection is available due to associated by alliteration.

Abstract: A system (10) for simulating an operating environment, such as aircraft cockpit for use in training. The system (10) includes a video storage device (46) for storing and transmitting an image of the operating environment. The video storage device (46) is coupled to a video monitor (58) for displaying the stored image. A graphics generator (54) generates an overlay image simulating the appearance of displays and manipulable controls in the operating environment in a plurality of its manipulative states. The graphics overlays may be manipulated by means of a touch sensitive screen (64) to simulate the operation of the manipulable controls. The system also includes an interactive system (12) for authoring and editing the overlays as well as the simulation process.

Abstract: A portable fire trainer for use in training by an instructor of a company employee in the use of a fire extinguisher for extinguishing a Class A trash can paper fire or a Class B spilled combustible liquid fire or a Class C electrical panel fire. The trainer includes a housing subassembly, and includes an equipment subassembly which has a burnable simulated multifire array of items and which has a flame generating and distributing system.

Abstract: A portable sales promotion apparatus for electronic systems comprises electronic control modules and electronic output devices that are transported from the retailer's supply storeroom to the outside site of the customer's parked mobile vehicle where they are placed in the passenger area of the: vehicle for demonstrations of system performance, for experimental determination of any modifications required of the vehicle for installation of the system, and for the subjective evaluation of the customer or occupant of the vehicle prior to execution of a contract for purchase of a system to be installed. The demonstration vehicle, operable by the salesperson, is a roll-about cabinet that houses supporting electronic modules of the systems being demonstrated, an independent power supply, and control accessories subject to operation by the salesperson for conductiong the demonstrations.

Abstract: Assembly fixtures for assembling and stuffing a ribbon into a ribbon cartridge for use with a typewriter, or a printer, comprises a base plate, stops on the base plate forming a space for receiving a ribbon cartridge, and an instruction card mounted on the base plate for instructing the operator how to assemble and stuff a ribbon cartridge. The instruction card may include three-dimensional drawings of the ribbon cartridge and its parts. A method of assembling and stuffing a ribbon cartridge includes the steps of providing an assembly fixture having a base plate and a ribbon cartridge space providing instruction cards mounted on the base plate for instructing an operator, guiding the ribbon cartridge into the cartridge space on the base plate, and following the instructions mounted on the base plate to assemble and stuff the ribbon cartridge.

Abstract: A paint roller applicator to create in a user's mind that a paint roller applicator is a tool that can replace a paint brush for applying paint to large or small surfaces, with the invention including a socket housing for holding a paint roller frame, with the socket housing mountable on the base of a conventional paint brush handle, so that a user has a conventional paint brush handle as a hand grip on a paint roller applicator to acquaint the user that a paint roller applicator can be used on large or small surfaces. The user can mount the frame of the paint roller applicator directly in the base of the paint brush handle or in a socket housing that is frictionally held in the normal ferrule band on a flat blade paint brush handle with the socket housing including a member for interlocking connecting the frame of a paint roller applicator thereto and lips for holding my paint roller applicator on the edge of paint tray when the paint roller applicator is not in use.

Abstract: An interactive training system (10) for simulating an operating environment. The system (10) can operate in both freeplay and procedural modes. The system (10) includes a plurality of simulated displays (18) simulating actual displays in the operating environment. The simulated displays (18) indicate the state of various components of the operating environment to the user. A plurality of manipulable input devices (20) permits the user to interact with the training system (10). Simulation software (22) responds to the input devices (20) and controls the displays in response thereto. Procedure monitoring software (26) determines the status of the input devices as a result of the user's manipulation of the input devices. Condition monitoring software (24) monitors conditions within the procedure monitor (26) and simulation software (22). These conditions may occur directly or indirectly as a result of the manipulation of the input devices (18) by the user.

Abstract: An apparatus produces an operational manual of a certain machine and supplies the same to an operator of the machine. The operational manual teaches how to operate a minimum procedure in order to obtain one of functions with which the machine is equipped. Each of the functions including the plurality of minimum procedures which can no longer be segmented. The apparatus stores a help information item for every minimum procedure. Each help information item indicates how to operate a corresponding minimum procedure. The apparatus further stores operations input to the machine by the operator. Thus, the operator analyzes the operations and detects a predetermined function desired by the operator. Then, the apparatus produces the operational manual containing help information items corresponding to the predetermined function, and supplies it to the operator. The operational manual is produced if the apparatus has judged that the predetermined condition has been established.

Abstract: A system and method is disclosed for providing control of a fuel-operable burner assembly of a firefighter trainer in accordance with a sensed environmental parameter such as the temperature of an object such as a metal grating or prop that is positioned adjacent to the burner assembly. The control system and method are particularly advantageous to simulate fire reflash following substantial extinguishment of the fire, as operational parameters such as the rate of flame growth, maximum flame height, and reflash delay can be selected and varied from one scenario to the other to modify the training scenario in accordance with such factors as trainee proficiency and the type or class of fire. Burner control is preferably accomplished by an automated processing system in accordance with the foregoing environmental and operational parameters.

Abstract: A training apparatus is provided for cattle roping to be used by a roper. The training apparatus includes a frame assembly and straps for securing the frame assembly to the body of the roper. A saddle horn is attached to the frame assembly at a location representing the distance relationship between the roper and the saddle horn when the roper is actually on a saddle on horseback. The apparatus allows a roper to simulate a variety of roping conditions likely to be encountered.

Abstract: The invention features an engine operation simulation system for training maintenance and service personnel to diagnose and repair engines. The engine operating simulation system utilizes an actual electronic control unit for controlling an engine. A processor is provided to perform an simulation of engine operating parameters. The processor interfaces with the engine electronic control unit. A mechanism is provided for generating inputs and is connected to the processor and to the engine electronic control unit to provide parameters that represent engine operating characteristics. The parameters are applied to the engine electronic control unit. The input generating mechanism provides a plurality of simulated input signals that monitor the engine operation. There is also provided a mechanism for simulating a malfunction in the engine so that the processor can alter the desired operating parameters.

Abstract: A color-coded system of training illiterate, mentally handicapped or dyslexic individuals in the performance of certain tasks includes specifying colors designating particular objects and the task or operation to be performed with the object bearing a particular color. Color-coded visual indicators such as flash cards may be used to teach the individual to associate the color with the object and the operation.

Abstract: A device for demonstrating the operation of gas contaminant testing apparatus and for training persons to use such apparatus. The device can be portable and allows demonstration of and training on testing apparatus in a location removed from the environment in which the gaseous medium and its gaseous and vaporous contaminants are normally found. The device uses very small contaminant samples for demonstration in order to minimize personnel exposure and inadvertent or deliberate releases to the environment. The device allows the substitutions of, for training and demonstration purposes, a harmless gaseous medium for the actual gaseous medium of interest. In a preferred embodiment, designed for demonstrating the operation of a refrigerant contaminant testing apparatus, air is susbstituted for refrigerant as the gaseous medium in which contaminants are entrained when using the device. In that embodiment, air is caused to flow through a container holding a contaminant sample of interest.

Abstract: A test kit for performing a diagnostic procedure. The kit comprises a plastic base which has an upper surface. The base is formed from a plastic material and a plurality of upwardly opening nests are provided in the upper surface of the base. A test component is provided in each of the nests in a manner such that the components may be displayed and made available for use. The test components are preferably displayed in essentially the plane of the upper surface of the base and an instruction booklet is provided so as to overlie the test components at the beginning of the procedure. The arrangement of the components and the size and shape of the pages of the booklet are such that as the user follows the instructions and turns pages in the booklet, components remain hidden from view until needed in conducting the procedure. The pages of the booklet are progressively shorter from front to back in the booklet so that as the pages are turned components of the kit come into view as needed.

Abstract: A realistic situation simulator kit for classroom training of fork lift operators includes a mechanized fork lift model incorporating a reversible drive motor, a hoist drive, and including a cord-connected remote control. Manual adjustment of fork inclination also is provided. The kit also includes scaled loads and variable ramp means, together with a lurch-inducing surface obstacle, to enable simulation of real-life operating conditions, so as to illustrate the outcome of adopting sound and unsound operating practices and techniques.

Abstract: An apparatus for simulating a multimode meter having a pair of test leads, a function switch, and a range select switch is provided. The simulated multimeter apparatus is fed by digital display data signals and provides a numeric display representative of a number corresponding to digital data display signals. Further, the simulated multimeter apparatus is fed by a plurality of switch signals which correspond to predetermined locations of the function and range select switches and fed by an input data stream corresponding to simulated electrical parameter values, related to the values of the functions switch and the range switch, for converting the input data stream into the digital display data signals.

Abstract: The present invention provides an interactive method for testing the working memory of a test subject. The method includes displaying several encoded symbols randomly positioned on a video display for a predetermined period of time. The position of each encoded symbol corresponds to Cartesian coordinates on the video display. Each symbol has a predetermined priority that must be ascertained by the test subject based on recognized variables associated with each uncoded symbol. The symbols are deleted from the video display after expiration of the predetermined period. Then, unencoded symbols are displayed on the video display in the same pattern as were the encoded symbols so that there is a cardinal relationship between the Cartesian coordinates of the unencoded symbols and those of the encoded symbols. Each encoded and unencoded symbol having identical coordinates forms a symbol pair.

Abstract: Apparatus for training an operator in theory and practice of electrohydraulic control systems in accordance with a presently preferred embodiment of the invention comprises a plurality of electrohydraulic devices for performing hydraulic operations as differing functions of associated electronic control signals. A plurality of differing electronic controllers are each adapted to generate electronic control signals to operate at least one of the electrohydraulic devices. The electronic controllers bear indicia identifying the controller and associating each controller with corresponding electrohydraulic devices on the training unit. Each controller has a plurality of available input, output and control connections, which may be selectively interconnected with each other and with the electrohydraulic devices by suitable cables for configuring the controller and associated device in a multiplicity of differing operating modes.

Abstract: The invention is directed to a fault triggering component for life-sustaining systems such as ventilating apparatus and anesthesia apparatus. The fault triggering unit is adapted so as to be connectable to or exchangeable with one of the standard plug-in components of the system. The fault triggering unit includes at least one remote-controllable drive member and this drive member is connected to a movable triggering component which triggers at least one fault with its movement. A circuit arrangement for assembling a training program for a ventilating apparatus having a lung simulator is also disclosed.

Abstract: A training or servicing kit comprises a portable electronic simulation of an apparatus, the simulation including manually operable means to sense and/or control parameters of the simulation, and a computer with associated software serving in use to lead an operator through a training or servicing programme in dependence upon the values of parameters determined by the operator by means of the manually operable means.

Abstract: An interactive video display system comprising a laser disc player with a remote large-screen projector to view life-size video scenarios and a control computer. A video disc has at least one basic scenario and one or more branches of the basic scenario with one or more subbranches from any one or more of the branches and further subbranches, if desired, to any level of programming desired. The control computer is programmed for interactive control of the branching, and control of other effects that enhance the scenario, in response to detection of when the trainee has (1) drawn an infrared laser handgun from his holster, (2) fired his laser handgun, (3) taken cover, (4) advanced or retreated from the adversary on the screen, and (5) when the adversary has fired his gun at the trainee.

Abstract: Instructional apparatus for training automotive service technicians in the skills required for isolating, identifying and repairing malfunctions in sophisticated automotive electronic systems uses a group of electronic circuit modules wherein each module simulates at least a portion of an automotive electronic circuit and one or more modules may be connected to form more complex circuits. One or more jumper wires associated with each of the modules may be altered by an instructor to create at least one fault condition representative of an electrical malfunction in the circuit associated with the module.

Abstract: A device for training, evaluating and providing practice for welders and particularly welders and welder students that use MIG, TIG and welding devices that employ movable consumable welding rods. The device includes a video monitor having a cathode ray tube, the face of which has visual displays thereon, including displays from which simulated welding parameters can be entered and displays which simulate different welding joints with a welding target to be followed by the operator while holding the selected welding tool. The present device uses a microprocessor and related electronic devices programmed to generate the displays and to control the various machine operations. The device also includes a unique way to produce the various control responses necessary to the operation including optical and electromagnetic responses.

Abstract: A personalized feedback system is disclosed that employs survey questionaires for enabling procurement of personalized data indicative of the needs of a user. Compilation components are included for providing computer-readable personal data signals indicative of a compilation of data procured with the survey questionnaires for an individual user. Feedback presentation memory components store a group of pre-recorded feedback display signals that are indicative of a group of vignettes illustrative of various results of the personal data, and recording components store data signals indicative of the compilation of data and the feedback display signals to provide a feedback presentation illustrating results for the user. Switching components responsive to the data signals are included for causing the recoding components to store personal data signals for a certain user along with selected ones of the feedback display signals corresponding to the stored performance data signals in a certain sequence.

Abstract: A method for sighting engine components in an engine compartment by first locating a desired perimeter label which is brightly colored and then to envision a straight line from that label to the respective engine component. The engine component will have detection means similar in color to the label to thereby provide immediate recognition. Certain hidden components may also be sighted with the use of two perimeter labels which have respective envisioned straight lines intersecting at the component's location.

Abstract: A method of demonstrating the advantage in production efficiency of non-synchronous conveyor lines over synchronous conveyor lines. There is provided an elongated diagram illustrating parallel conveyor lines with an equal number of paired, opposed operator work stations in each line, one line representing a synchronous line and the other line representing a non-synchronous line, the non-synchronous line being provided with queue patterns between each work station. There is an electrically controlled work station box between each pair of opposed synchronous and non-synchronous work stations on the mat, each box having a set of "go/no-go" visual indicators. A signal controller is coupled to each of the operating station boxes, the controller being programmed to provide control signals in a random fashion to each of the paired work stations. A plurality of workpieces are provided for each conveyor line.

Abstract: Foldable learning station on which to make up technological (mechanical, electrical, electronic, fluid) operating circuits, having an "L" configuration formed by equal panels hinged together to provide a channeled surface appropriate for clamping, in any of a number of different positions, modular elements which bear the components of the said circuits, and comprising means for rigidly securing the configuration to a horizontal base.

Abstract: An interactive teaching apparatus comprises an actual operative piece of equipment, or a breadboard, which is the actual object of the training or study, an interface coupled to the equipment for deriving data from relevant points in the equipment, an interactive computer including a program which provides the background to the teaching exercise, monitors the progress of the trainee being taught, monitors the data supplied from the interface to the computer, and guides the trainee through the stages of the program, a reproduction medium with pre-recorded instructional sequences containing teaching information concerning the equipment and sequences showing the possible consequences of action by the trainee, and a dual-channel digital storage oscilloscope for displaying waveforms derived from the points and comparing them with stored waveforms.

Abstract: A performance appraisal and training system employs a survey arrangement for procuring performance appraisal data indicative of the performance of a user to be trained, and a data delivery medium for providing computer-readable compiled performance data signals indicative of compiled performance data of the user. Feedback presentation memory components are provided for storing prerecorded feedback display signals indicative of a group of motion picture vignettes illustrative of various situations resulting from various types of performances. A computer responds to the performance data signals and to the display signals for displaying to the user both the compiled performance data and selected corresponding ones of stored motion picture vignettes to illustrate situations resulting from the past performance of the user.

Abstract: Low cost, easily updated information retrieval apparatus is provided that will provide rapid access to information relating to the probable cause of an apparent or actual process or other machine malfunction signalled by an indicating device, and a recommended action to correct such malfunction.

Abstract: A system of technology teaching equipment including a support structure providing both horizontally and vertically disposed support areas with means for the removable attachment of components, the support areas including T-slots for the engagement of complementary parts of the components or of mounting brackets therefor, and/or for the engagement of the heads of respective fasteners.

Abstract: A computer controlled training simulator for a thermal power plant includes a switching device for selecting interactive or independent operation of a boiler simulation section, a turbine simulation section and a generator simulator section. In the interactive mode, the boiler, turbine and generator sections operate as corresponding sections of a single power plant for training operators of the respective sections. In the independent mode, the individual sections are operated as the corresponding sections of three separate power plants so that training of operators of each section can proceed without delays associated with functions of the other two sections.

Abstract: A simulator can simulate a multi-stage industrial plant that is controllable by a digital control and digital programmer for affecting plant operation. The simulator has a plurality of indicators mounted on a console for producing indications in response to display signals applied to the indicators. Also, a plurality of manually operated controls are mounted on the console for allowing production of manual signals. The simulator also has a computer coupled to the indicators for providing to them their display signals. The computer is also coupled to the manually operable controls for receiving their manual signals. The computer can respond to the manual signals of predetermined ones of the manually operable controls to provide a programmed array of processed values sized to simulate parameters existing during operation of the industrial plant. Given ones of this array of values are applied to specified ones of the indicators for providing their indication.

Abstract: A device for teaching the art of blow form molding of plastics is disclosed. The teaching device is portable and sealable, having a housing with a lid. Pressurized gas enters the housing and is directed through an orifice in a housing shelf upward into the lid. Starter plastic is placed on the shelf. A mold is held in the lid and the plastic assumes the shape of the mold as it is blown upward through the orifice into the lid. The lid has a central opening to allow the students to see the process of blow forming of plastics as it occurs. The device has a carrying handle, flanges to fasten it to a work surface, and locking toggle handles to assure a tight seal of lid and housing.

Abstract: A simulation system for a fossil fuel power plant simulator. The simulation system includes first, second, and third displaying means for respectively displaying selected simulated flame characteristics within the furnace, emission density images from the smokestack, and water/steam levels as indicated by a steam drum level indicator of the power plant. A computer correlates the images displayed on the first, second, and third displaying means such that a change in the operating level of the power plant causes corresponding changes in the simulated flame characteristics, emission density images, and water/steam level.

Abstract: A modulated VLF signal source has the capability for providing radio sign suitable for performance testing and operator training relative to VLF digital data receiving systems. A number of separately proven components are utilized to implement a relatively low cost, reliable compact and easily transportable system. A digital modulator is driven through suitably adapted microprocessor circuits by selective information stored on floppy diskettes. Operator input commands actuate the modulator to generate representations of data in the continuous shift keying, frequency shift keying, or minimum shift keying output modes to provide a modulated VLF output which can be received by several receive systems. Prolonged data transmissions can be produced by merely selecting the appropriate floppy diskettes to initiate the desired modulated sequences.