Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 26
Acme Skeleton Bell. 21 I Hnuiiiiiiiiiuiiiiiiiiiimi, ,„,,„ „,, , ||||m iiiiiiiiiiiiniiiim • • THE MOLTZER-CABOT ELECTRIC COA\PAN\ Boston, Mass. Electric Bells. single Strok THE BERLIN BELL. … Continuous Ri ngmg. S .seen m the cut, this bell has no trunnion screws, the armature being hung on pinsprotruding from magnet cores. Numerous advantages result from this form ofconstruction, chief among which is the small battery power required to operate it^meeting to the two binding posts on the…
