Hollerith 45 column horizontal electrical sorting machine, 1920-1930 Computing & Data Processing 1920-1930
Sargrove sprayed circuit radio receiver production prototype, 1936-1948 Electronic Components 1936-1948
six-stage super heterodyne receiver processed on the ECME system, 1936-1955 Radio Communication 1936-1955
Kodak Kodascope 8 Model 30 projector. For 8mm film 200 feet reels, claw intermittent, 2 sprockets. Motor speed control, lamp switch, for 110 or 240 volts. Kodak Kodascope 8 Model 30 projector. For 8mm film 200 feet reels Cinematography c. 1948
Folding camera, in maroon bakelite, for 120 rollfilm, 2 1/4 x 3 1/4 inches. Simple lens, rotating plate with four apertures 1-4; T/I flipflop shutter. Brilliant refelcting rotating finder. Sliding focusing with click stops 'near' and 'far'. Maroon bellows. The Soho Cadet camera Photographic Technology
Mass produced Volksempfanger radio, type VE 301 W, made in Germany between 1933 and 1945 by Sachsenwerk Niedersedlitz. Volksempfanger radio Telecommunications 1933-1945