|
3 3/8" X 5 1/2" (83mm X 140mm)
No markings
Picture courtesy Stefan Haunstetter |
U-2850: Germany
|
3 3/8" X 5 1/2" (83mm X 140mm)
No markings
Picture courtesy Stefan Haunstetter |
Some of them are said to have been used in the carbon arc street lighting circuits in Munich. U number assignment by Bob Berry December 2016.
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