1703 Recording Audiometer
1. Independent testing of both ears at seven frequencies The 1703 automatically presents seven pure-tone signals successively — 500,...
Behavioral research
It was the late 60's and the DEC PDP-8 mini computer was the first to break the 20K price tag. It put the Digital Equipment Corporation...
Engineers and pioneers
During the 50's and 60's along with Rufus Grason these three engineers designed the instruments and built the foundation that made GS a...
GR Experimenter
The General Radio Experimenter was a quarterly publication known to engineers and students throughout the United States and many parts of...
SS Hope
SS Hope was a hospital ship operated by Project HOPE (USA).[1] Hope was originally built as a US Navy hospital ship, USS Consolation....
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...
GS Machine shop 1965
GS Machine Shop 1965, Richard Vanderlippe, Ray Jordan, Stuart Herrick. The cylinders in the photo are the clutch housing for the gear box...
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...
Enter the microprocessor
The 1723 Middle-ear analyzer is a prime example of the ultimate in mechanical and analog design. It was without question the best in the...
