Buyenlarge 0-587-33949-7-G1827 Wildes Dynamo Giclee Fine Art Print 18" x 27"

In 186305 Dr. Wilde invented the first separately excited dynamo, demonstrating that the feeble current from a small magneto-electric machine could be made to produce currents of great strength from a large dynamo. Wilde's dynamo weighed 4.5 tons and when driven at 1,500 revolutions per minute. The current fused 15 Inch of round iron .25 Inch in diameter with an expenditure of about 10 horse power. The is machine was used for electro plating purposes depositing 20 ounces of silver per hour.