3 1/2" - 2 5/8" X 4 1/2" (88mm - 66mm X 114mm)
(base embossed) MACOMB [dry process] {Macomb}
Picture courtesy Elton Gish |
U-197B: USA
3 1/2" - 2 5/8" X 4 1/2" (88mm - 66mm X 114mm)
(base embossed) MACOMB [dry process] {Macomb}
Picture courtesy Elton Gish |
Note this is not a glaze weld but a two part insulator with threading on both halves.
U number assignment by Jack Tod.
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