|
2 3/4" X 4" (67mm X 98mm)
No markings
Picture courtesy Bob Berry |
U-1137A: Canada
|
2 3/4" X 4" (67mm X 98mm)
No markings
Picture courtesy Bob Berry |
This is a dry process style with a grooved base known as the "Yukon Telegraph" style. U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
Return to the PIFOUS main page