Vertical galvanometer, invented by Sir William Cooke, unknown maker, British, 1830-1870.
A galvanometer is an instrument used to detect electric currents. This galvanometer is an adaptation of those used in Cooke and Wheatstone's needle telegraph instruments and was developed and used by Cooke for detecting breaks in line wires.
- Electricity Supply
- Object Number:
- furnishing and equipment
- measuring device - instrument
- Donated by H.M. Postmaster General
- Permanent collection
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