Abstract: A model railroad interlocking roadbed, which is formed from sections with each section having two ends with each end having a male lock and a corresponding female lock in a side-by-side configuration. The female locks and the male locks have the same general configuration with the female lock being slightly larger. The base of both the female and the male lock is parallel to the end of the section with the sides of the locks being triangular in shape with the sides of the male lock converging inwardly to the end of the section and the ends of the female lock converging outwardly towards the end of the section.

Abstract: Hydrogen and Oxygen are produced by photoelectrically-induced electrolysis wherein solar and/or laser light is passed through a thin layer of a water-caustic soda solution to ionize the solution adjacent an anode. A cathode spaced from the anode and connected thereto by a diode circuit, including a resistance, is used to prevent current flow between the anode and cathode until the potential therebetween exceeds a threshold two volts and preferably 2.4 volts. Upon sufficient ionization in the thin layer of solution, the potential between the anode and cathode exceeds the threshold and current flows therebetween, causing hydrogen gas to form at the cathode. Circulation of the solution between the anode and cathode is caused by convection due to heating of the fluid with solar or laser light.

Abstract: A solar-powered thermionic-photoelectric current generator is disclosed employing a paraboloidal telescope for collecting and concentrating sunlight into a narrow beam which is incident upon a thorium-doped tungsten cathode target within an evacuated envelope, the light being incident on the target at a very large angle of incidence. An anode arranged substantially parallel to the beam of light incident on the cathode target surrounds the major portion of the cathode target and extends an appreciable distance rearwardly from the cathode target. A gas impervious envelope maintains the region of space immediately surrounding the anode and cathode target at a desired vacuum. Electrical conductors leading from the anode and cathode target to points outside the gas impervious envelope can connect the anode and cathode target to an appropriate load.