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2 1/4" X 3 1/4" (57mm X 82mm)
No markings (Dry Process) {Consumers Insulator Co.}
Picture courtesy Elton Gish |
U-17A: USA
|
2 1/4" X 3 1/4" (57mm X 82mm)
No markings (Dry Process) {Consumers Insulator Co.}
Picture courtesy Elton Gish |
U number assignment by Elton Gish.
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