two-valve radio receiver made on the ECME machine, 1947-1948

Radio Communication

1947-1948

Sargrove sprayed circuit radio receiver production prototype, 1936-1948

Electronic Components

1936-1948

main frame, for Automatic Computing Engine (ACE) pilot model, 1949

Computing & Data Processing

1949

Phillip's Economic Computer

Computing & Data Processing

1949

Hollerith 45 column horizontal electrical sorting machine, 1920-1930

Computing & Data Processing

1920-1930

Pye B16T television receiver

Television

1946-1948

200 series dial telephone, 1925-1935

Telecommunications

1925-1935

six-stage super heterodyne receiver processed on the ECME system, 1936-1955

Radio Communication

1936-1955

Ekco A D 75 receiver, 1946

Radio Communication

1946

Aldis Minor slide projector

Cinematography

1953

Table telephone No. 2, 1906-1959

Telecommunications

1906-1959

Face phantom for practicing eye operations

Ophthalmology

1907-1930

Jones 50-line switchboard, 1879.

Telecommunications

1879

'Cat's whisker' Crystal Radio

Radio Communication

1920-1925

Edison telephone peg switchboard and pegs, 1879

Telecommunications

1879

Home made 30-line televisor, 1934

Radio Communication

1934

Original wheel or steel-disc coherer, 1902

Radio Communication

1902

Crossley table telephone, 1879

Telecommunications

1879

Morse key, 1850-1870.

Telecommunications

1850-1870

Moulded unprocessed bakelite panel ready for ECME, 1936-1955

Radio Communication

1936-1955

Flat steel-spring (or watch-spring) coherer, 1894

Radio Communication

1894

Bell & Howell Filmo 70 C-2 16mm cine camera

Cinematography

1929

Cascade generator built at the Cavendish Laboratory

Nuclear Physics

1937

Wartime civilian receiver A.C.mains type, 1944-1945

Radio Communication

1944-1945

Black Type 1/232F telephone

Telecommunications

1934

Demonstration radio receiver

Radio Communication

1926

'Rathbone' dental unit, London, England, 1932

Dentistry

1932

Home-constructed Williamson amplifier, c. 1949

Radio Communication

Coronet Midget camera

Photographic Technology

1935

Aircraft radio telephony transmitter, complete with round valve and microphone

Radio Communication

1915

"Lightometer" light meter model E703 (for inspecti

Optics

1950-1960

Bubble Sextant MK IX

Aeronautics

1939-1941

Kodak Kodascope 8 Model 30 projector

Cinematography

c. 1948

Thermocouple Potentiometer (Electrical Resistance Meter), 1928

Heat

1928

Cardiac pacemaker, Birmingham, England, 1960-1970

Therapeutics

1960-1970

Vinten HS300 cine camera

Cinematography

1938

Bush TV22 television receiver

Plastics and Modern Materials

1950-1954

Kodak Bantam F5.6 camera

Photographic Technology

1938-1941

Cascade generator for 1.5 million volt accelerator

Nuclear Physics

1937

Sargrove sprayed-circuit radio receiver experiment, 1936-1937

Electronic Components

1936-7

'Pneumostat' inhaler, London, England, 1934-1935

Therapeutics

1934-1935

Heart-lung machine, Europe, 1950-1979

Surgery

1950-1979

Bottle of the opiate painkiller 'Papine'

Medical Glass-ware

1890-1920

Circular plastic ashtray with Michelin man

Plastics and Modern Materials

1931-1950

radio - ex montgomery saloon

Miscellanea & Curiosities

Radiation ratemeter type N600B

Nuclear Energy

1955-1965

Nickel plated sterilizer, with collapsible tubular

Surgery

1890-1920

Merit box camera

Photographic Technology

1930-1940

Electromedical instrument

Domestic Appliances

1925-1935

No. 4 slave clock for telephone exchange master clock

Telecommunications