U-1965B: France
3 1/8" X 4 3/8" (77mm X 107mm)
No markings
Picture courtesy Bob Berry |
This style is nicknamed the Gingerbread man and has a metal shell cemented to a porcelain threaded insert. It was found in Tunisia but most likely a product of France. U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.