3 1/2" X 4 3/4" (90mm X 119mm)
No markings .
Picture courtesy Bob Berry |
3 1/2" X 4 3/4" (90mm X 119mm)
No markings {base view}
Picture courtesy Bob Berry |
U-1849: Czechoslovakia
3 1/2" X 4 3/4" (90mm X 119mm)
No markings .
Picture courtesy Bob Berry |
3 1/2" X 4 3/4" (90mm X 119mm)
No markings {base view}
Picture courtesy Bob Berry |
This is a very early insulator likely made by Merklin of Czechoslovakia but used in Austria-Hungary before the 1890s. It has no inner skirt and is threadless.
U number assignment by Bob Berry April 2016.
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