


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

Transistor, 1960-1980

Submarine repeater transistor P.O. type 10A

submarine repeater transistor P.O. type 4A

Texas 2S131 transistor

2N706A transistor

Texas 2N388 transistor

Point-contact transistor type GET 1, c.1953

"Red Spot" junction transistor

Ferranti model CV4004 transistors

Mullard silicon alloy transistor OC202 (c.1958)

Philco 2N1204 transistor

Transistor suspended in plastic display case
1960-1980

power transistor kit type EW57
1958

Model germanium diode built into cryogenic system
1969

Transistors

Transistor

Siliconix silicon field-effect transistor

Philco 2N1500 transistor

General Electric 1N2939 transistor

2N645 transistor

Ediswan F/XA162 transistor

Texas 2N711 transistor

Motorola germanium mesa transistor

Texas 2N705 transistor

Texas 2N1142 transistor

Home made point-contact transistor, 1953

RCA 2N247 transistor

Three arm transistor, 1960-1980
1960-1980

Transistor, 1960-1980

Westminster Micro Transistor Radio
1970-1974
Plastic transistor incorporating a semi-conducting layer of polyacetylene
1988
Germanium P-N-P transistors GET 8
circa 1950
Model CV4004 transistor
GET105 transistor
circa 1950