Name/Title
Radio Signal RelayEntry/Object ID
1000.2171.208Description
Relay, Radio SignalCollection
Jim AdamsMade/Created
Manufacturer
Union Switch & Signal Co.Notes
possible date made: Patented 1912
where made: Swissvale, PA
model name: DC Neutral Relay
model number: 13
serial number: K14965Dimensions
Dimension Description
8.5 inches high, 6 inch diameter