Vintage Union Switch Signal Railroad Relay Glass Display US&S PRR Collectible maybe one of your family members worked there??
Union Switch & Signal (US&S)
Model / Style: Style CD (D.C. Code Following Relay)
Top Attachment: Plug Coupler for Coded Wayside Equipment (Style P-1)
Country/Region of Manufacture: United States (Swissvale, PA)
Item Description
Up for sale is an authentic vintage railroad signaling relay manufactured by Union Switch & Signal (Div. of Westinghouse Air Brake Co., Swissvale, PA). This heavy-duty industrial piece features a clear cylindrical glass housing, cast metal base, and its original top-mounted Plug Coupler for Coded Wayside Equipment complete with attached heavy-gauge wiring leads.
Key Markings & Details:
Relay Unit: Style CD D.C. Code Following Relay (Serial No. U46252 / Spec. 2989)
Top Coupler Plate: "PLUG COUPLER FOR CODED WAYSIDE EQUIPMENT -- UNION SWITCH & SIGNAL, DIV. OF WESTINGHOUSE AIR BRAKE CO., SWISSVALE, PA. MADE IN U.S.A."
Patents: U.S. Patent 2281938 / Pat. in Canada 1943
Internal Tag: Original manufacturer inspection/calibration data tag visible inside the glass cylinder (dated 1951).
Size: Approximately 6 inches in diameter at the base (see ruler in photos for scale).
Condition:
Cosmetic: Good vintage condition with expected signs of age, handling, and prior railroad service. The thick glass cylinder appears clear and intact with no major cracks visible, and the internal coils, contacts, and tags are well-preserved. Some light oxidation/patina on the metal base and typical scuffs on the black top housing.
Functionality: Untested. Being sold as-is as a historical railroadiana collectible, display piece, or for parts/restoration.
Please review all photos carefully to verify condition and markings before purchasing. Will be packed with extreme care and plenty of cushioning to ensure the glass housing arrives safely. 111026