An apparatus for admitting the current to the motor gradually, with the parts labelled, vintage line drawing or engraving illustration.

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Size: 4920px × 5000px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: apparatus, art, black, coils, current, drawing, electricity, engraved, engraving, experiments, gradually, illustration, line, rheostat, vector, vectors, vintage, white