3 Free Artworks of Magnetic Field Lines

field lines around magnetsbar magnets
PSM V34 D304 The steel bar magnet
field lines around magnetsnavigation compass
PSM V05 D417 Magnetic curves
field lines around magnetsmagnetised iron filings
Magnetic flux in a simple dynamo armature (Rankin Kennedy, Electrical Installations, Vol II, 1909)
electrical installation1909
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