Walter Brattain:
December 16, 1947:
After over a year of work, Brattain and Bardeen finally devised a successful amplifier. On page "a" Brattain describes the set up of that very first point-contact transistor. The page "b" shows a schematic of the gold-covered tip that was placed gently down on top of the germanium crystal.

Lab Book Pages

Brattain 12/4/47 /a
Brattain 12/4/47 /b
Brattain 12/16/47 /a
Brattain 12/16/47 /b
Brattain 12/24/47 /a
Brattain 12/24/47 /b
Shockley 1/1/48 /a
Shockley 1/1/48 /b
Shockley 1/23/48 /a
Shockley 1/23/48 /b
Shockley 1/23/48 /c
Shockley 1/23/48 /d