Gramme machine

(Redirected from Gramme dynamo)
A Gramme machine or Gramme magneto.

A Gramme machine, Gramme ring, Gramme magneto, or Gramme dynamo is an electrical generator that makes direct current. It is named for its Belgian inventor, Zénobe Gramme. It was the first generator to make enough power for industry. Gramme showed this machine to the Academy of Sciences in Paris in 1871.