|
4 1/2" X 4 7/8" (113mm X 122mm)
(top skirt inkstamp) NGK JAPAN 73 {NGK}
Picture courtesy Craig Polkinghorne |
U-2873: Japan
|
4 1/2" X 4 7/8" (113mm X 122mm)
(top skirt inkstamp) NGK JAPAN 73 {NGK}
Picture courtesy Craig Polkinghorne |
These were also found in Australia. U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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