New type of Electric-Motor-Starting Rheostat with Automatic "No voltage" and Overload Releases

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'New type of Electric-Motor-Starting Rheostat with Automatic "No voltage" and Overload Releases' (1904). Artist/photographer: Unsigned. Provenance: "Scientific American". Type: Antique halftone photographic print.

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Size: 2170px × 1573px
Photo credit: © Antiqua Print Gallery / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1904, 20th, antique, automatic, century, electric, halftone, motor, overload, photographic, print, releases, rheostat, starting, twentieth, type, vintage, voltage