A SELECTION OF EARLY TRANSISTORS AND MINIATURE VALVES, 1950's

A Selection of Transistors and miniature valves, also a mercury wetted relay with box.
There is a glass microscope slide showing the parts of a Germanium Transistor, a sectioned point contact diode showing the cats whisker, a U25 Extra high voltage rectifier used in Televisions, a Neon number indicator made by Mullard, and a solid state infra red detector.
Also are various early, and not so early transistors.

Nortel Collection

A1322