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Featuring Union Switch & Signal equipment photos
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Hump Signal Controller
42 views
Switch machine
42 views
Velac Test Panel
42 views
Westbound Galesburg Car Retarder Yard
42 views
Gateway Classification Yard
42 views
Gateway Yard - Youngstown, Ohio
42 views
Gateway Yard - Youngstown, Ohio
42 views
Gateway Yard - Youngstown, Ohio
42 views
Model 31 Car Retarder Installation
42 views
Night view of classification yard
42 views
Tower B to left
Maintainer making periodic check of Velac Computer Equipment
42 views
Retarder Exit Velocity Computer
42 views
Computer for Classification Yard
42 views
Transistorized yard automation
42 views
Sample Problem Test Unit
42 views
Used in checking Type V.R. Velac System
Weight Proportional Inert Retarder
42 views
Model 40 Weight Proportional Inert Retarder
42 views
Model 40 Retarder with Accumulator & Relay Case
42 views
C. W. Henricks
42 views
G. E. Stinson
42 views
R. H. Williams
42 views
K. E. Dortot
42 views
H. W. Erikson
42 views
R. F. Deal
42 views
B. F. Rogers
42 views
W. C. Reustle
42 views
C. W. Woods
42 views
Interurban Electric Railway
42 views
Amplifier
42 views
180 Decoding Unit
42 views
Four Indication Cab Signal (Stockholm Tramways)
42 views
Four Indication Cab Signal
42 views
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