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2024-04-04 18:48:00

Bob the Traveler on Nostr: Belgian electrical engineer Zénobe Gramme, born OTD in 1826, invented the Gramme ...

Belgian electrical engineer Zénobe Gramme, born OTD in 1826, invented the Gramme machine, a type of direct current dynamo https://cromwell-intl.com/radio/copper-wire/?s=mb #radio #history
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