The Union Switch Co, Swissvale, PA Railroad Small Relay Switch Sold as is. Please see pictures for details.
This product would be ideal for railroaders and those involved in precision switch work.
Vintage 1929 CHARTS of the PNEUMATIC EQUIPMENT of the UNION SWITCH & SIGNAL CO.
US&S Union Switch And Signal Co Searchlight H2 Lens Retainer Ring
Vintage Union Switch & Signal Co Railroad Signal Light Cast Iron Red Lens US&S
1916 AGREEMENT BETWEEN THE PITTSBURGH/LAKE ERIE RR CO & MUTUAL UNION BREWING CO
The Union Pacific Type the Story of Union Pacific's 3 Cylinder Power Volume I
Vintage Railroad 1938 Union Switch & Signal Company Calendar Notepad
