Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 96
utwhen a change becomes necessary, a few minutes only are required. The shaft is of thebest crucible steel, ground and polished to gauge at bearings, the armature is perfectlybalanced and the Motor runs noiselessly. The field spools are removable and can beeasily changed in case of an accident. The… … M 3. H.-C. DYNAMO, DRIVEN BY WATER MOTOR. A strong and neat iron sub-base is sent out with each machine of 2 H. P. andupwards. It is planed true, and fitted with belt tightener and clamping bolts. All partsare made to standard gauge and are interchangeable. I STANDARD DIRECT CURRENT GENERATORS. The…