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Parson's 1/2 turbo-dynamo, 65 volts. The turbine is of similar design to the first Parson's turbo-dynamo, constructed at Gateshead in 1884. Date: circa 1974
Torpedo torpedo, or eyed electric ray, also known as Common Torpedo, Ocellate Torpedo, Cramp Ray, Turpaena and Numbfish. It can deliver a strong electric shock of up to 200 volts. Date: 1862
Emile Lowitz demonstration at Royal Botanic Society
Fly-wheel at St. DenisA huge fly-wheel dynamo at St. Denis station, used to light Paris. There were eight dynamos at the St. Denis station, producing a high tension current of 2250 volts and 210 amps
Construction of a voltaic battery in ParisConstruction of a large voltaic battery at the Ecole Polytechnique in Paris, covering 54 square metres, on the orders of Napoleon