Oscillograph for photographing electrons, California Institute of Technology, Pasadena, 1928
Description
Access to this collection is generously supported by Arcadia funds., Related to the article “Caltech Acquires ‘Ossie,’ Oscillograph to Photograph Atoms at Rate of 100,000,000 Per Second Unique Device.” Los Angeles Times, 28 Oct. 1928. “… known to well-informed electrical engineers as a cold cathode ray oscillograph which, in unscientific language, is a giant camera that records the antics of the electron particles composing an electric current. …”, Text from nitrate negative sleeve: California Institute of Technology, Camera, Close-up of a portion of oscillograph, with vacuum tube at center and cylindrical device at right