Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 112
IIII 11111111111111 • 11 ■ 11111 a 1111«11111 f 11 j 11 i • • R1E HOLTZER-CABOT ELECTRIC COMPANY. Boston, /Mass. Alternating and Direct Current Power Motors Efficient. Noiseless. Self-Lubricating. Durable. This Machine is welladapted for running smalllathes, sewing machinesand other light… … -8 H.P. DIRECT CURRENT MOO CLAMP MOTOR, 110 to 220 Volts. PRICE LIST. Y% H.P. M 00 Clamp Motor, variable speed, 4 to 10 voltsy% << «• «» «« 110 i/ (< (< >< i. 220 y% •• •« constant speed, 110 y% « n «« »» *« 220 A.C. Clamp Motor, constant speed, 52 to 104 Speed Regulating Rheostat…