Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 123
7 I Ill miiiiiiiiiiiiiiiiimiiiiiiiiiiiiiiiiiiiiiiitiiiitiiiiiiiiiiitiiiiiiiiiiiiiiiiiiiin TrtE rtOLTZER-CABOT ELECTRIC COMPANY. Boston, AAass. Fan Motors. (CONTINUED.) DIRECT CURRENT MACHINES. HIGH POTENTIAL MOTORS 220 to 500 Volts. Fitted with Grease Cups. … Form V 2.1-5 H.-P. 110-500 Volt Fan Motor. Furnished with one or two 15-in. Fans 1JHE VariOUS layeiS hl tb£ Magnet and Arraature Coils of this machine are highlyf insulated. We call attention to the large number of commutator segments, and toits perfectly-built armature, which can be run with tan…