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Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)

Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 67

An illustration from Watchmen's Time Detectors Operated by Batteries or Magneto Generators, 1900, leaf 67
Cat. No. 785H PRICE LIST. Price.>mestic Cylinder Battery, complete S 90 carbons only ■••-•-...... 50 jars •• 2- zincs .10 1 Ammoniac, per package ............ ia NOT MADE IN MONARCH PATTERN. 0/ million. .Till:: IIOLT/JiU-CAfcOT ELECTRIC COMPANY Boston. A\ass. Batteries and Battery Material. … GRAVITY BATTERIES. Crowfoot P?ttern. Used in closed circuit work, as on Telegraph Lines, et<.

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