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SILVERTOWN GALVANOMETER, 1916
Used as either a piece of test equipment or to send or receive Morse.
The needle could deflect either left or right dependent on the direction of the current,or could measure the strength of the current by the deflection measured in degrees.
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- This is a WW1 Military Galvanometer.
Used with telegraph Equipment.
.......... Jonathan Paynter, Auckland New Zealand, 13th of October 2011