This schematic diagram shows the operation of the remotely controlled microscope made by the American Optical Company's Instrument Division for the Knolls Atomic Power laboratory which is operated at Schenectady NY by the General Electric Company for the Atomic Energy Commission. With it, scientist may safely examine highly radioactive metals specimens located inside a test chamber with three foot concrete walls. Two periscopes are provided: one to carry in light to the specimen, the other to bring out its magnified image, so it may be examined visually of photographed. The offsets in the periscopes traps harmful radiation

General Electric Company1951-10-05