Reversible Automatic Belt Tripper
Electricity powering Coal-Conveying Machinery: 'Reversible Automatic Belt Tripper' (1904). Artist/photographer: Unsigned. Provenance: "Scientific American". Type: Antique halftone photographic print.
Size: 2895px × 2276px
Photo credit: © Antiqua Print Gallery / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 1904, 20th, antique, automatic, belt, century, coal, conveying, electricity, halftone, machinery, photographic, powering, print, reversible, tripper, twentieth, vintage
