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Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 72
Size -4x2; price 80 cents 63 Cat. No. 615. … Size 5 x 2};; price $1.25 Cat. No. 614.Furniture · Furnishing Accessories · Electrical engineering · Facility Electrical Power Generating and Storing Equipment · Battery Equipment · Clocks · Gongs · Electric bells · Annunciators · Alarms · Batteries · Motors · Fans
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
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