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Featuring Union Switch & Signal equipment photos
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Front and underside views of Receiver Unit
49 views
6-1/2" Loud Speaker
49 views
I.T.C. Frequency Standard for Inductive Train Communication Equipment
49 views
I.T.C. Frequency Standard for "Union" Inductive Train Communication Equipment
49 views
Receiving Coil
49 views
Style "ST" Dynamotor Unit
49 views
Microphone and Loudspeaker
49 views
White Sulphur Springs, W.Va. - C. & O. Rwy.
49 views
Remote control train order signals at Trimble looking north on Big Four
49 views
Remote control T.O. signals, Trimble - Big Four
49 views
Big Four - Remote control T.O. signals, Earnst, Ill.
49 views
Remote control train order signals at Ernst looking north on Big Four
49 views
Remote control train order signals at Ernst on the Big Four looking north
49 views
Remote control installation - Wabash
49 views
Turkish Switch Machine
49 views
Turkish Switch Movements
49 views
Style M-4 Electric Switch Machine
49 views
Style M-4 Electric Switch Machine
49 views
Style M-4 Electric Switch Machine
49 views
A.C.L. Manchester to Waycross CTC T-21 Switch Stand S.E. Fitzgerald
49 views
A.C.L. Manchester to Waycross CTC T-21 Switch Stand N.E. Heberdville
49 views
TVL Radio Equipment Special for American Bridge Co. to U.S. Steel
49 views
TVL Amplifier Unit
49 views
TVL Battery Charger (Otis Elevator Co.) Weather Tight Battery Charger (open)
49 views
TVL Transmitter (Otis Elevator Co.) (Front)
49 views
TVL Transmitter (Otis Elevator Co.) (Back)
49 views
TVL Cabinet Base Style 202 (Atlas Elevator Co.)
49 views
12-Volt Tone control minephone M.S.A. for Kennecott Copper Mine - Utah (closed view)
49 views
Union Telecrane Dolly Display (with lowered cover)
49 views
Battery Charger E-60 Mine Phone
49 views
4 Pole Min. Relay
49 views
Union Miniature Relays in component for Talos Missle - Bendix Radio Division Bendix Aviation
49 views
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