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Union Switch and Signal Co, Plate E Section:

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photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-1005 to E-1105
Vane Relays		 photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-1110 to E-1181
Power Transfer Relays
photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-1200
Detachable Top Plates for A. C. Relays		 photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-4800 to E-5090
D.C. Relays
photo courtesy of Zachary Gillihan
***Not Scanned***		 Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-5100 to E-5173
D. C. Relays
Style DX-13 Interlocking and Style DP-14, DP-17, DP-20, DP-21, and DP-25
Polarized Relays		 photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-5201 to E-5210
Style DT-10 Time Element
Relay
photo courtesy of Zachary Gillihan Union Switch and Signal Company
Section E, Relays, Indicators and Electric Locks
Plates E-5220 to E-5225
Style TH and TH-10 Thermal Relays