4 3/8" X 4 3/4" (108mm X 118mm)
No markings [British make?]
Picture courtesy Teresa Dempsey |
U-1503A: Australia
4 3/8" X 4 3/4" (108mm X 118mm)
No markings [British make?]
Picture courtesy Teresa Dempsey |
Note this insulator is not threaded but had ridges for cement. U number assignment by Bob Berry July 2019.
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