HP 200A Audio Oscillator demo

Name: HP 200A Audio Oscillator demo
Uploaded: 2018-01-02T23:44:18+02:00
Description: 1943 HP 200A Audio Oscillator demonstration. Hewlett Packard's first test instrument. Story here: http://www.hp.com/hpinfo/abouthp/histnfacts/museum/earlyinstru

Prisijunkite, kad balsuotumėte

Aprašymas

1943 HP 200A Audio Oscillator demonstration.
Hewlett Packard's first test instrument.
Story here:
http://www.hp.com/hpinfo/abouthp/histnfacts/museum/earlyinstruments/0002/0002history.html