Electrostatic Voltmeter

Maker and role
Everett, Edgcumbe and Company Limited, Other contributor
 Production date
Circa 1920

Object detail

Accession number
2011.492
Maker
Everett, Edgcumbe and Company Limited
Production period
1920s
Description
A metal base with two poles, one with a scale reader with a glass window and the other holds a calibration device. Level positioned on base at wider end.
Marks
EVERETT EDGECUMBE / LONDON / 896498 Maker's Mark
Media/Materials
Processed Material/Metal
Credit Line
Everett, Edgcumbe and Company Limited. Circa 1920. Electrostatic Voltmeter, 2011.492. The Museum of Transport and Technology (MOTAT).

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Public comments

Your electrostatic voltmeter is incomplete. It is missing the large disc like parabolic dishes that accumulate the surface charge causing deflection in the meter.

- Roger posted 2 years ago.

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