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Featuring Union Switch & Signal equipment photos
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K-70 Retarder Control Machine Tower A Dual Hump
53 views
K-70 Retarder Control Machine Tower A Dual Hump
53 views
K-50 Route Selection Control Machine Hump Bldg. C
53 views
West Dual Hump
Printed Circuit Component Board
53 views
Validity Detector B
Pier 15 Car Retarder
53 views
Car Retarder System Control Machine "C"
53 views
C.&O. R.R. - Stevens Yard
53 views
Velac System Office Equipment
53 views
Cab signal
53 views
Westchester Yard - N.Y.B.T.
53 views
Burhe - Pelham Bay - Dispatchers Track Indicator - N.Y.B.T.
53 views
...Route Interlocking at Westchester Yard
53 views
111th Street U.R. Machine - N.Y.T.A.
53 views
RCS-1 Remote Control on G.E. Locomotive
53 views
Carryphone Internal View Showing Transmitter
53 views
Carryphone
53 views
Carryphone case removed to show C Battery Pack
53 views
10AM 1 Foot Board Control Amplifier
53 views
Experimental Model 14H81C Carryphone
53 views
Carryphone Antenna Adapter plus
53 views
Model 2 - Carryphone
53 views
Carryphone II
53 views
First Installation of Individual Carrier Units. - West End of Aspinwall Interlocking - Etna, PA - PRR
53 views
P.R.R. Highway Crossing Case at Sandusky St. - Bucyrus, Ohio
53 views
Union Pacific R.R. - extra #1410 from inside Relay House at Madena
53 views
I.T.C. Equipment Box for EMD Diesel Engines with units removed
53 views
Back view of Control Station with door open to show wiring
53 views
Style "SCU" Transmitter with Frequency Standard
53 views
Style "SCU" Equipment Box with Transmitter
53 views
White Sulphur Springs, W.Va. - C. & O. Rwy.
53 views
Wabash eastbound freight trailing through S-1 facing point lock spring switch, Birmingham, Mo, about 45 mi. per hr.
53 views
Double automatic signal location south of LaGrange, Ohio. Northbound passenger No. 146 approaching - Big Four RR
53 views
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