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Galvanometer Collection

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Galvanometer Collection: How wireless beacons guide ships in the fog

How wireless beacons guide ships in the fog
The Marconi invention can determine distance of the ship from the beacon to steer the vessel into a Harbour during foggy weather

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Galvanometer Collection: Jimmy the Bulldog at the Royal Society

Jimmy the Bulldog at the Royal Society
Jimmy, a Bulldog owned by Dr A.D.Waller, takes part in an experiment at the Royal Society, Burlington House, London. With one fore-leg

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