Watchmen's Time Detectors Operated by Batteries or Magneto Generators (1900)
Holtzer-Cabot Electric Company · Holtzer-Cabot Electric Company · leaf 18
CCA INTERNATIONAL S IMMI IIIIIIIIIMMIIIIMIIULUI.UIII illlMinii.MllllltllllllllllMMIIl in.. . . ,TME MOLTZER-CABOT ELECTRIC COMPANY I Boston, AAass. Electro-Mechanical Gongs. … Pattern N.WOOD CASE.E keep cases in cherry and oak in stock. Ordinarily we wind the Electro-magnets ofx x these Gongs to about 6 ohms resistance. If intended to work in the same circuitwith other gongs, our remarks on page 13 with reference to resistance should be carefully noted and followed.…
