Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 64
I REGISTERED TRADE MARK. Unequalled for All Open-Circuit Work. B!?T J I ^P ■ ^1 .......ih iimitmniiiiiiiiiuiimiiiiiiiiimiiiiiuiiiiiiiiiiiiiiiiiiiiiiimiiiiiui Ml .THE MOLTZER-CABOT ELECTRIC COMPANY Boston, A\ass. The Holtzer Carbon Batteries CYLINDER TYPE. CUT SHOWING CROSS SECTION. (PATENTED.) LlIQ… … Cat. No. 785.PRICE LIST. Cat. No. 785. Cylinder Battery, completeCarbon Cylinders, each .Porcelain Insulators, eachCylinder Zincs, Glass Jars, * Sal Ammoniac, per package „,.•■■- , - > • Price.Si.12.75.04.10.2510 55 &5rag m | ■ Hi ..■hi Him THE hOLTZER-CABOT ELECTRIC COMPANY. Boston, A\ass.…
