Strowger automatic telephone, 1901-1910
1901-1910
Automatic telephone wall, 1900-1910
1900-1910
Comptometer, manual operation
1930-1940
Felt and Tarrant Comptometer, 1887.
circa 1900
Comptometer by Felt and Tarrant Mfg. Co. Chicago
1915-1920
Early model wooden-case comptometer by Felt and Tarrant Manufacturing Co.
1887-1903
Holsum Bread Vitamin D Badge
1924-1960
Electroencephalogram (EEG) pen recorder
1958
Teletype teleprinter, 1910-1924
1910-1924
Printer for electroencephalogram (EEG) pen recorder
1958
‘Dearborn’ form board with instructions, Chicago, United States, 1920-1970
1920-1970
Bell and Howell 2709 Model B 35mm cine camera
circa 1912
Westrex 35mm Sound and Film Editing Machine
1930s
Calendar pack for Enovid
Terrestrial globe
1987
'Thor' Washing Machine
circa 1930
Intelligence test, Chicago, United States, 1915-1925
circa 1920
International Harvester Mogul tractor, 1913-1918.
1913-1918
Addometer adding machine with eight stylus-operated dials, c 1925.
1900-1920
DeVry 35mm Cine Camera
circa 1950
'CDX Model E' dental x-ray unit, Chicago, USA, 1935-1936
1935-1936
Lunar globe
1987
International Harvester 'Junior' tractor, 1921.
1921
Filmo 141-A Cinecamera
1937
Binaural obstetric stethoscope
1915-1950
Wire recorder made by Webster Chicago Corporation
circa 1950
International Harvester Mogul tractor, 1916.
1916
Two teletype teleprinters, 1910-1924
1910-1924
Improved Motiograph projector Model 1-A
1911
Mars globe
1981-1982
Sixteen inch diameter globe of the Moon
1969-1972
Playboy magazine issue with interview of Stephen Hawking
1990
Healy Pictorial Completion Test, Chicago, United States of America, 1921
1921
Bell and Howell One-Nine 8mm cine camera
1953
Serenace tablets, High Wycombe, England, 1970-1985
1970-1985
'Mare and Foal' picture completion test
Bell and Howell Eymax Lens
Stewart Warner Hollywood 16mm camera
1932
Revere Eight Cine Camera Model 88
c. 1950
Mars globe
1997
Comptometer by Felt and Tarrant Manufacturing Co.
1925-1927
Intelligence test
1930-1980
Comptometer, 8-column model E for decimal currency
1914
Ovulen 50 contraceptive pills
1976-1980
Model M Typecaster made by the Ludlow Typograph Co.
1970
Magnetic field indicator in chrome-plated metal case
1950-1970
Comptograph, made by Felt and Tarrant Manufacturing Co.
1887-1903
Technicolor Two-colour Cine Camera
1925-1935
Bank of 50 Keith Line Switches, 1920-1925
1920-1925
A model of a nuclear reactor designed by Enrico Fermi, 1942
1942