Eleven germanium power transistors
Six germanium surface barrier transistors
Four germanium point-contact transistors
Thirty germanium junction transistors
Five silicon mesa transistors
Silicon planar transistors of various make
Seven silicon power transistors
Philco T1925 transistors
Darling Transistors
Transistors
Transistors
Transistors
GET 3 transistor
circa 1950
Transistors
Transistors
