Oscillograph mounted on wheeled cart, with dials and switches at center and conical device at top, with curved tube leading to hole in panel at left, in room with other equpiment in background
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. …”