Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 136
s i\z-~. :~z- s.-- ~:--5:^r: Erf: C : - sv^:: : - Very Compact. NG BOX NOT INCLUDED. N : 1. For Moi re M 1 to D 4. - -^ - 2:t. 12 in. i 21 in. - DotoD 10.D 15 to D 20. 14 i n. x z. in, IS in. x. 30 $30.00 40.00 As Rheostats are furnished with all Motors above If 2 in siine and motor :: minals.… … Switch-Board Designed and Built for New Ames Building, Boston, Mass. (WITH HOLTZER-CABOT AUTOMATIC REGULATOR.) ! [BLANK PAGE]
