19th Nov, 2020 12:00

Fine Photographica & Instruments of Science

 
  Lot 60
 

A Rare Four Coil Wheatsone Electric Motor

English, c.1890, unsigned, originally for spinning Geissler tubes, with four terminals, two to power the motor and the other two to supply the high voltage to the arm (missing) that hold the Geissler tube, motor with 4 coils, adjustable brush on sprung arm, friction brake to the rear to regulate speed, height 39cm tall.

Note: the motor runs well on 9v DC

Sold for £992

Result plus buyers premium


 

English, c.1890, unsigned, originally for spinning Geissler tubes, with four terminals, two to power the motor and the other two to supply the high voltage to the arm (missing) that hold the Geissler tube, motor with 4 coils, adjustable brush on sprung arm, friction brake to the rear to regulate speed, height 39cm tall.

Note: the motor runs well on 9v DC

Auction: Fine Photographica & Instruments of Science, 19th Nov, 2020

Viewing Location:

8 Rivermead
Pipers Way
THATCHAM
RG19 4EP

Important Information: Non-Attended Sale On-Line, Telephone & Commission Bids Only

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Viewing by appointment from 1st November 2020

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