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Featuring Union Switch & Signal equipment photos
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Oakland-Stockton
119 views
Oakland-Stockton
119 views
Bellevue-Homestead
119 views
View of relay house and battery case at Maumee
119 views
Maumee to Walbridge Park
Looking towards station, draws being raised - Boston terminal
119 views
Birds eye view of terminal layout from left hand side
119 views
Left hand side and end of relay house, station platform
119 views
HM Relay House - 8'-6" x 12' - Interior view
119 views
Erwin Clinco
118 views
Redwing, Minn.
118 views
El Reno to Caldwell
118 views
SS79 B-30 Machine
118 views
CTC machine - West Brook
118 views
No. 8 at S.E. Carnegie, Jacksonville-Miami CTC
118 views
Klamath Falls-Crescent Lake
118 views
Canadian-Waynoka
118 views
E.P Interlocking - Stewart
118 views
Right hand and rear view of relay house on end of station platform
118 views
ACI Scanner with call outs
118 views
Style LL Train Communications Equipment
118 views
RPF-320 Rectifier
118 views
Multiplex Equipment
117 views
Des Moines Fairbault Inst.
117 views
'K.N." Kenton, Ohio
117 views
Huntington Interlocking - 2-1/2 cabinet
117 views
C.T.C. Control Board
117 views
Three 10-ft. C.T.C. machines for Richmond-Norlina, Norlina-Raleigh, and Colon-Hamlet territories
117 views
Lewisville-Texarkana
117 views
Canadian Yard-Amarillo-Waynoka
117 views
Isleta Route Storage Unit
117 views
Montpelier-New Haven
117 views
Stockton-Orville
117 views
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