Abstract: An anatomical model comprises a plurality of molded sections of uniform thickness, each of which has a flesh appearance on one side and on the opposite side a colored photograph of an actual body specimen with the sections being adapted for serial assembly to provide a realistic appearing sectioned body model suitable for anatomical study.

Abstract: A display apparatus is provided which is divided into two frames. On one frame is pictured a human body with the spinal column thereof formed of a plurality of vertebrae. The human body displayed also includes a plurality of organs and the like which are associated, according to Gray's Anatomy, with the various vertebrae. Push-button controls are positionally related to the vertebrae and when operated could cause an illumination of the related organs. A further series of push-button controls are provided in order that the organs can be separately illuminated as desired. Arrangement is made so that the illumination can be steady state or pulsating fashion selectively. On the second of the aforesaid frames is visually displayed a set of front and rear views of the human body and the related musculature. Push button controls are arranged for the illumination of the various muscles. These latter push-button controls are coupled to one of the aforesaid sets of controls for interaction therewith.

Abstract: This invention contemplates providing a number of sheets showing different building materials. Each different building material is illustrated in different scales on different sheets respectively. When a customer wishes to see the way his building would look with a particular building material on it, a photograph of his building is taken and one of said sheets, to the proper scale, is applied over the photograph. It would, however, overlie only that portion of the building which is to be covered by the new material. In that way the customer sees how his building will look with any or all various different materials placed over the outside of his building.When the building material, to be applied to an existing building, is available in different colors, a sheet representing the desired color may be placed between the photograph and the sheet representing the desired building material.

Abstract: The bridge learning and playing kit comprises four position cards. The first position card has information thereon for instructing a first bridge player how to bid in the game of bridge on the opening bid and subsequent bids. The second position card has information thereon for instructing the second player how to respond to the opening bid and make subsequent bids. The third position card has information thereon to instruct a third player how to respond to the first and second bids and what subsequent bids to make. The fourth position card has information thereon for instructing a fourth player to bid in a game of bridge what response bid to make to the first, second and third bids and what subsequent bids to make. The cards are passable around a card table to the different positions of the players. The kit preferably also includes an instruction booklet, two decks of bridge playing cards, a pad of score sheets, a pencil and a box sized to receive and hold all the items of the kit.

Abstract: A simulator for and a process of teaching surgical knot tying techniques. A flexible tube made of material which simulates various human vessels and ducts is positioned between the arms of a support frame. Inside the tube are spring wires, which are strung under tension between the arms of the support frame. A detecting device is connected to the wires, which will generate various kinds of signals when the wires make contact with one another. The student loops a piece of surgical thread around the tube and tightens the loop until wires touch, thus indicating that a certain force has been applied to the tube by the loop.

Abstract: Sets of educational blocks are described wherein special volumetric relationships are combined with visually distinctive geometric shapes. In one set of blocks a common cube is cut into distinctive segments along a single slice to form particular polygons. In another set of blocks a common cube is cut in a manner to provide polyhedra of distinctive appearance with related outer segments used to fill out the common cube. Particular volumetric relationships between the polyhedra and their related segments are described.

Abstract: Sets of educational blocks are described wherein special volumetric relationships are combined with visually distinctive geometric shapes. In one set of blocks a common cube is cut into distinctive segments along a single slice to form particular polygons. In another set of blocks a common cube is cut in a manner to provide polyhedra of distinctive appearance with related outer segments used to fill out the common cube. Particular volumetric relationships between the polyhedra and their related segments are described.

Abstract: The invention relates to a planet projecting system for simulating the motions of planets and in particular for visualizing the rotations and the phase changes of the Earth. The planet projecting system comprises two cylindrical image mounts which rotate independently of each other, the curved surface of one cylindrical mount is provided with an image of the planet, the curved surface of the other cylindrical mount carries an image of clouds. Two illumination systems illuminate the two image mounts and via respective means the images are projected upon the dome of a planetarium. The spheric shape of a planet is effected by a distortion optical system inserted into the projection beam.

Abstract: An apparatus is provided for use in optimally arranging covering units, such as tiles or the like, or for enabling the precutting of such covering units before such units are applied to the floor or wall or ceiling to be covered. A first prescaled grid is provided on a substantially opaque sheet of paper on which the dimensions of the surface to be covered may be laid out. The exact dimensions of the floor, wall or ceiling to be covered may be laid out to scale on the first substantially opaque sheet. A second grid or line arrangement corresponding to the dimensions of the covering unit is provided on a substantially transparent sheet. This second grid is scaled to correspond to the scaling of the first grid on the substantially opaque sheet.

Abstract: An intra-aortic balloon includes a flexible catheter having a deformable fitting closing one terminus and a connecting attachment at the other end. Adjacent the fitting, the catheter has a number of perforations all within an elongated balloon surrounding the perforations. One end of the balloon is secured to the fitting and at the other end is secured to the catheter. The connecting attachment is engageable with a removable body to which is secured a manually deformable wire extending through the catheter and into the fitting. The body has a duct open to the interior of the catheter and to the atmosphere. An outwardly opening check valve is in the duct.

Abstract: A translator comprises a plurality of juxtaposed columns with each column slidably receiving a plurality of individual cards. The columns are organized in a sequential, semantic, and/or syntactic relationship in order that the user may select syntactic components from two or more columns so as to effect larger grammatical constructions such as sentences. In each column, the top cards can be slid upwardly to expose the desired grammatical structure beneath. The back of each preceding card contains the translation of the exposed grammatical structure and can be viewed by flipping the translator over whereupon the translated grammatical structure can be read directly.

Abstract: A reflected color simulator is disclosed which utilizes a plurality of color discs positioned adjacent to one another wherein each disc includes several individual sections which are interleaved with respect to the other color discs such that rotational movement of the discs with respect to one another will vary the percentage of color from each disc which contributes to the color displayed when the discs are spun together. The entire group of discs, which could be of any number but preferably 6 or 7, are rotated by a main drive device to mix the colors so exposed to form the desired color by reflected simulation. An observer when viewing the spinning group of color discs will see a reflected color which is determined by the exposed percentages of each color disc.

Abstract: A table game is provided in which a pair of players alternate in sliding flat game pieces onto a game board, between the top surface of the game board and a transparent cover. The game board is divided into a matrix of channels along which the game pieces slide and a game piece entering a completely filled channel forces the game piece at the far end of the channel to fall off the base. The first player to completely fill a row, or a column or a diagonal of the matrix with his game pieces is declared the winner.

Abstract: A device is shown in the preferred embodiment of the present invention for holding a knitting pattern and for indicating the pattern position. The pattern is held to a pattern support face of a pattern support member by a clip member. The pattern position is recorded and visually summarized at a single location by a single notation member. Specifically, the notation member includes an elongated bar member movably mounted on the pattern support member for visually underscoring the row of the pattern. Further, and simultaneously, the notation member includes members for indicating other pattern information, shown in a first preferred form as indicators slidably mounted in grooves formed in the elongated bar member and in a second preferred form as pegs receivable in apertures formed in the elongated bar member which indicate the pattern position by indicating numerals forming a pattern position guide.

Abstract: A self-wicketing ticket is provided by a tag, one side of which is coated with a pressure sensitive coating covered by a backing, the backing being removable to expose the pressure sensitive coating, and means on said tag to provide a wicket. The wicket providing means comprises either a strip portion formed on the tag or a cord attached to the tag at a hole near an edge thereof.

Abstract: A game of chance includes a game board with a plurality of sections thereon, wherein the sections are labeled with various indicia, or combinations thereof, and odds pertaining thereto. A chance indicator device for simultaneously selecting one such indicia and a game command. The device includes two sections rotatably joined together, wherein one section is friction fit about a shaft so that it cannot rotate relative thereto, and the other section is rotatably mounted to the shaft. Both sections are identically shaped so that they may be interchangeably mounted on the shaft either by themselves or in combination, one section containing indicia on its faces and the other section containing game commands on its faces. The device is spun on the game board so as to select the indicia and/or game commands.

Abstract: A crossword puzzle system for creating crossword puzzles including the steps of (a) obtaining a crossword puzzle grid defining sections; (b) inserting "generator" words into the grid; (c) making "possibility" check from a provided "Table of Average Preference Values"; (d) assigning "C" (consonant) and "V" (vowel) locations based on highest frequency rate with the longest words done first and with "possibility" checks done as needed; (e) determining the relative priorities of the crossword puzzle grid sections; and (f) filling in the blanks with the use of provided "Paralog" lists starting with the most difficult.

Abstract: A teacher's or lecturer's carrying case is provided with means to facilitate displays while lecturing and can be arranged in a number of configurations so as to serve as a carrying case, a display aid or a lectern.

Abstract: A dilatation catheter is provided with an inflatable section which in its non-inflated condition may have a diameter several times that of the balance of the catheter. Means are provided to axially twist the inflatable part of the catheter to reduce its diameter in its non-inflated condition to a size comparable to that of the non-inflatable balance of the catheter so that the catheter may be threaded through and positionally emplaced within a blood vessel.

Abstract: A U-shaped member is detachably engaged with the upper end of an elongate support member, the lower end of which embraces the shoulder of a student. The U-shaped member receives the back of the student's head and includes a forwardly extending leg to restrict movement of the head from a predetermined direction. The device prevents the student from observing his hands during the practice of manual dexterity exercises. The U-shaped member is pivotally movable for disengagement with the head.