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