In place of the gilt knob there is a flat metal plate upon which rests another similar plate, which may be removed by an insulating handle, vintage li
In place of the gilt knob there is a flat metal plate upon which rests another similar plate, which may be removed by an insulating handle, vintage line drawing or engraving illustration.
Size: 2856px × 5000px
Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: apparatus, art, black, condensing, electricity, electroscope, engraved, engraving, experiments, free, illustration, instrument, measuring, science, vector, vectors, vintage, white
