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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. Cat. No. 637 … Boston, A\ass Push Buttons (continued). Size 5x2# ; price $1.1S. Cat. No. 590.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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