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Felt and Tarrant Comptometer, 1887.

Mathematics

c. 1900

type 121 wall telephone, 1912

Telecommunications

1912

Strowger automatic telephone, 1901-1910

Telecommunications

1901-1910

Comptometer by Felt and Tarrant Mfg. Co. Chicago,

Mathematics

1915-1920

Bell and Howell 2709 Model B 35mm cine camera

Cinematography

c. 1912

Early model wooden-case comptometer by Felt and Ta

Mathematics

1887-1903

Automatic telephone wall, 1900-1910

Telecommunications

1900-1910

Comptometer, manual operation, sterling keyboard w

Mathematics

1930-1940

Teletype teleprinter, 1910-1924

Telecommunications

1910-1924

Improved Motiograph projector Model 1-A

Cinematography

1911

Bell & Howell Filmo Projector

Cinematography

1921-1931

Lunar globe

Astronomy

1987

'Thor' washing machine

Domestic Appliances

c.1930

Addometer adding machine with eight stylus-operated dials, c 1925.

Mathematics

1900-1920

Bell-Howell Filmo Double Run 8 Model 134-B

Cinematography

Stellar stereotaxic apparatus, Chicago, United States of America, 1955-1965

Laboratory Medicine

1955-1965

Psychometric Test, Chicago, United States of America, 1905-1915

Psychology, Psychiatry & Anthropometry

1905-1915

Dynamometer, Chicago, United States, 1945-1955

Psychology, Psychiatry & Anthropometry

1945-1955

Photo (8"x11") of Stern's calculating machine (181

Mathematics

1927

Bank of 50 Keith Line Switches, 1920-1925

Telecommunications

1920-1925

Binaural obstetric stethoscope

Clinical Diagnosis

1915-1950

Intelligence test

Psychology, Psychiatry & Anthropometry

1930-1980

Sample packs of 'Ovulen' oral contraceptive pills

Obstetrics, Gynaecology & Contraception

1966-1968

Stereoscopic X-ray plate viewing apparatus, Chicago, United States, 1925

Radiomedicine

1911-1930

'CDX Model E' dental x-ray unit, Chicago, USA, 1935-1936

Dentistry

1935-1936

‘Dearborn’ form board with instructions, Chicago, United States, 1920-1970

Psychology, Psychiatry & Anthropometry

1920-1970

First field dressing in ring pull packet

Surgery

1916

bank of 50 Keith Line Switches, 1920-1925

Telecommunications

1920-1925

Intelligence test, Chicago, United States, 1915-1925

Psychology, Psychiatry & Anthropometry

c.1920

Picture puzzle board, Chicago, United States of America, 1900-1920

Psychology, Psychiatry & Anthropometry

1900-1920

Lunar globe 100mm diameter on wooden stand by Repl

Astronomy

1981-1985

Ovulen 50 contraceptive pills

Obstetrics, Gynaecology & Contraception

1976-1980

Mars globe, 8 1/2-inch diameter, paper with card o

Astronomy

1981-1982

Stereotaxic unit, Chicago, United States, 1980-1999

Psychology, Psychiatry & Anthropometry

1980-1999

Serenace tablets, High Wycombe, England, 1970-1985

Materia Medica & Pharmacology

1970-1985

'Mother's Own' 2 piece Stutsman picture puzzle

Psychology, Psychiatry & Anthropometry

Terrestrial globe

Astronomy

1987

Comptometer by Felt & Tarrant Manufacturing Co., U

Mathematics

1920-1925

Psychometric Test, form board, Chicago, United States, 1930-1980

Psychology, Psychiatry & Anthropometry

1930-1980

No.1 Field Surgical Pannier, wood and wicker, with

Surgery

1915-1916

Celestial globe

Astronomy

1987

Comptograph, made by Felt and Tarrant Manufacturin

Mathematics

1887-1903

Mars Globe, 8 1/2-inch in diameter by Replogle Glo

Astronomy

1981-1982

Picture puzzle board, Chicago, United States, 1930-1980

Psychology, Psychiatry & Anthropometry

1930-1980

Comptometer, 8-column model E for decimal currency

Mathematics

1914

The Kombi Camera

Photographic Technology

1893

Set of 13 anaglyph pictures, with original box mad

Optics

1895-1905

Healy Pictorial Completion Test, Chicago, United States of America, 1921

Psychology, Psychiatry & Anthropometry

1921

Section of a Comptometer by Felt & Tarrant showing

Mathematics

1908-1909

Logarithmic slide rule, card and plastic, for Ohm'

Mathematics

1949