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Featuring Union Switch & Signal equipment photos
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Relays, Rectifiers, Cases & Houses
Most viewed - Relays, Rectifiers, Cases & Houses
L.& N. 13th Street Birmingham Tower - Relay rack with Union rectifiers mounted on wall - Type F Interlocking
83 views
Model of Relay House Prepared for Union Pacific
82 views
Factory wired relay house with plug-in relays - D.T.&I. crossing with Nickel Plate
81 views
N.Y.S. & W. RR (WS to Croxton) 3'-3" Relay Case
80 views
HM Relay House (Interior showing relay racks)
80 views
HM Instrument House (closed)
79 views
HM Relay House - 8'-6" x 19'-4"
79 views
Relay room at 13th St. Interlocking showing plug-in relays, RPQ rectifiers, and ground detector apparatus, Chicago Subway, CRT
78 views
Pedestal type Instrument Case equipped with Telephone equipment including filter for C.T.C. line
78 views
HM Relay House (Interior showing relay racks)
78 views
RTA-22
78 views
HM Relay House - 8'-6" x 12' (Interior)
77 views
Rectifier RTA-104
77 views
RV-2
77 views
Style RV-8 Rectifier
77 views
HM Instrument House (closed)
76 views
(check out the caption)
RTA-22 Rectifier
76 views
RE-2
76 views
Style RE-4 Rectifier
76 views
RS-10, RS-6
76 views
RS-14
76 views
RS-14 Rectifier
76 views
RN-41
76 views
City of Philadelphia - Plug-in Relay Cases
75 views
HM Relay House (Interior showing relay racks)
75 views
HM Relay House - 8'-6" x 19'-4"
75 views
HM Relay House - 8'-6" x 19'-4"
75 views
HM Relay House - 8'-6" x 19'-4"
75 views
PTV-42 Relay - Glass cover on and removed
75 views
DN-22 Relay
75 views
RR-10 Rectifier
75 views
RE-6
75 views
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