CD 1066.7: France
7 1/2" x 7 1/2" (191mm X 191mm)
(top skirt) L'ELECTRO VERRE // 157
Picture courtesy Bernie Warren
This is a spool insulator which is unthreaded and mounts in a holder with a pin through the center. These were typically used to dead-end a power or communication line.
CD assignment by Dario Dimare April 2017
Return to the National Insulator Association home page