|
2 1/4" X 3 1/2"
(dome incuse) W in a circle
Signal style, yellow glaze |
U-299: Westinghouse
|
2 1/4" X 3 1/2"
(dome incuse) W in a circle
Signal style, yellow glaze |
Made by the Westinghouse High Voltage Insulator Co based out of Derry, PA in business starting 1922 to sometime before 1954.
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