RRSignal.com Photo Gallery

Featuring Union Switch & Signal equipment photos
No touchups - No watermarks - Enjoy!
Fixed SQL errors - More photos coming in 2022

Most viewed
95-c-1271.jpg
 Portable Carrier Telephone Unit106 views
95-c-3387.jpg
 HDNA-OC Navy Phone with front and unit removed106 views
95-c-5411.jpg
 Carrier Frequency Telephone (DU-35086) (Turkey)106 views
7333.jpg
 Chicago Transit Authority Portable Communication System plug complete wiring and plug.106 views
6317.jpg
 Highway Crossing AFO Transmitter106 views
8199.jpg
 AFO Vital Receiver (front view)106 views
6711.jpg
 HM Relay House Interior (D.M.&I. RR)106 views
30115.jpg
 South End Haskins, Ohio - No. Lima to Roachton CTC - B. & O. R.R.106 views
30126.jpg
 North end Haskins, Ohio - No. Lima to Roachton CTC - B. & O. R.R.106 views
30378.jpg
 106 views
95-c-1008.jpg
 Centralized Traffic Control Machine Drawn from Photo of Union Pacific's Las Vegas to Yermo Machine106 views
95-c-1726.jpg
 Danville Jct.105 views
95-c-881.jpg
 West-Wye C.T.C105 views
95-c-1140.jpg
 North Milwaukee, Wis.105 views
6127.jpg
 2-1/2' Machine - River Junction105 views(back closed)
c-30975.jpg
 Direct wire C.T.C. machine 105 views
95-c-1881.jpg
 Allerton - Eldon105 views
95-c-6739.jpg
 CTC Cab. (96th interlocking)105 views
95-c-8178.jpg
 86th St. Auxiliary Switch Indicator Panel105 views
95-c-2214.jpg
 Vine St.105 views
8672.jpg
 TCC Machine at Tucson105 views
95-c-159.jpg
 Newburg-Sleeper C.T.C. machine105 views
c-32306.jpg
 CTC machine - Edwards to Fort Scott105 views
95-c-1091.jpg
 Waynoka Canadian Installation105 views
95-c-1148.jpg
 Canadian Yard-Amarillo-Waynoka105 views
95-c-4857.jpg
 Freson Mormon105 views
7509.jpg
 Linha to Auxilian - TCC105 views
c-27276.jpg
 Becks Run - Type F Interlocking105 views
c-31337.jpg
 South throat from instrument room105 views
c-30234.jpg
 Looking north from station platform - Boston terminal105 views
a-35811.jpg
 Equipment box on running board of locomotive - Columbus Shops105 views
a-35813.jpg
 Receiver mounted ahead of pony truck, Penna. locomotive at Columbus Shops105 views
9267 files on 290 page(s) 1 - 37 38 39 40 41 42 43 44 45 46 - 290