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Transistor, early British Experimental Device from Pye Radio Research Labs

Early junction transistor (B.T.H.), c.1953

Replica of the first transistor, 1947-2003

1947-2003

Transistorised submarine repeater, 1982

1982

Point-contact transistor,type GET 2 c.1953

circa 1953

Texas 2S131 transistor

2N706A transistor

Texas 2N388 transistor

Point-contact transistor type GET 1, c.1953

"Red Spot" junction transistor

Mullard silicon alloy transistor OC202 (c.1958)

power transistor kit type EW57

1958

Transistor, 1960-1980

Submarine repeater transistor P.O. type 10A

submarine repeater transistor P.O. type 4A

Model germanium diode built into cryogenic system

1969

Philco 2N1204 transistor

Transistor suspended in plastic display case

1960-1980

Ferranti model CV4004 transistors

Transistors

Transistor

Three arm transistor, 1960-1980

1960-1980

Transistor, 1960-1980

Siliconix silicon field-effect transistor

Philco 2N1500 transistor

General Electric 1N2939 transistor

2N645 transistor

Ediswan F/XA162 transistor

Motorola germanium mesa transistor

Texas 2N711 transistor

Texas 2N1142 transistor

Texas 2N705 transistor

Home made point-contact transistor, 1953

Westminster Micro Transistor Radio

1970-1974

RCA 2N247 transistor

"Plastic" transistor incorporating a semi-conducting layer of polyacetylene, as prepared by the Cavendish Laboratory and reported in Nature, September 8th, 1988, pp 137-141

Plastic transistor incorporating a semi-conducting layer of polyacetylene

1988
Model CV4004 transistor

Model CV4004 transistor

Germanium P-N-P transistor GET 105 c.1950

GET105 transistor

circa 1950
matched pair of germanium P-N-P germanium transistors GET 8. c.1950

Germanium P-N-P transistors GET 8

circa 1950