471 Interval Timer
The Model 471 Interval Timer contained two built-in time base generators to provide control of "ON" and "OFF" intervals of a Model 829...
Vintage 455C Noise generator
The 455C Noise generator was a rack mount source of white noise in the audio and ultrasonic frequency ranges. The noise spectrum was 20...
Electronic switch series 829
I came across this antique 829E electronic switch on Ebay the other day. It has the original inspection tag still attached after 50...
The good old days
photo: 1964 Wiring and Assembly, background - Norm Tursky, forground - Bob Schneider These are the good old days of my fondest memories...
The 1st 20 years
Since 1949, Grason-Stadler has grown from three men operating in a Cambridge apartment to nearly 100 people housed in a 16,000 sq. ft.,...
Perceptual Monitoring System
The G-S 6000 Perceptual Monitoring System sent to Holloman AFB. Trained Ham and Able chimps for Project Mercury. Holloman Air Force Base...
