Inside Out Library · Explore
Specifications for the multiplex printing telegraph system : theory and operation (1920)
Western Union Telegraph Company · [New York?] : The Company · leaf 202
OPERATINGMAGNETS … THIS CONT. ISOPENEP BY THE JPULL BAR AFTERTHE CAR. HAS BEENSHIFTEP TO THE UPPER CASE THIS CONTACTCLOSES WHENEVERTHE UNIVERSALBAR IS OPERATED 75 IM.F.I—AW II— BELLCONT. SPACINGCONTACT CAR. RETCONTACT 13 MANUAL CAR. RET. CONT. © 0 SHIFTSOLENOIP 200° / 0 LINE FEEPSOLENOIP 125 T5IM.Ei r © SHIFTCONT.…Telegraph
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
More pictures from Specifications for the multiplex printing telegraph system : theory and operation
More like this
