FIRST 1st UK POINT CONTACT TRANSISTOR LS736 BY STC (CRYSTAL TRIODE) AND 1st JUNCTION TYPE, 1950's

First UK production Point Contact Germanium Transistor LS736 and Data sheet. Called a Crystal Triode. First UK Junction Transistor LS828 made by STC, and 3X301N and LS837 which are later versions.

These Transistors came from STC's laboratory at Ilminster in Somerset.A label found inside this box written by the original keeper, Mr Henry Wolfson, at STC read:- 'The first point contact transistor marketed by STC', 'LS828 the first Junction transistor', '3X301n & LS873 later versions'.

For Synthetic Germanium See Item A1431.

Nortel Collection

• Detailed view of LS736 Transistor
  
• Detailed view of LS828 Transistor
  

A1427