Elektriske fænomener: hysterese. Demonstration af hysterese-fænomen ved at nærme sig en dynamo, der virker på et ur, hvis gear stort set er af stål, det magneter sig selv, og det slutter. Anonym illustration fra 1925. Privat samling.(Electrical phenomena: hysteresis. Demonstration of hysteresis phenomene by approaching a dynamo that works a watch whose gears are largely steel, it magnets itself and it ends. Anonymous illustration from 1925. Private collection.)Anonymous Anonymous |
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Udateret · Engraving
· Billed-ID: 918285
Private Collection / Bridgeman Images |
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