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ID = 32708
United States of America (USA)
Brand: Burroughs Corporation; Plainfield (NJ)
Developer: Haydu Brothers, Plainfield, NJ 
Tube type:  Beam Switching Tube - incl. "Trochotron" 
Identical to 6701 = HB101
Similar Tubes
Normally replaceable-slightly different:
First Source (s)
01.Jan.1956 : -- Original prospect or advert
20.Feb.1956 : Electron Tube Registration List 1589
Predecessor Tubes 6700  

Base SPECIAL TUBEBASE in general
Was used by Technology / Measurement
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Description See more about the beam switching tubes by looking up the 6700. The 6701 is an early Beam Switching tube with large external magnet. Low voltage variant of original Haydu/Burroughs 6700; 12 to 25V supply version. 1 MHz counting speed.
Registered to Haydu Brothers, when already owned by Burroughs: info kindly supplied by Lud Sibley.
Operating principle of trochotron. 
Weight 500 g / 17.64 oz

6701: Manufacturer's Literature
Emilio Ciardiello

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