CD 1075: Italy
2 1/4" X 2 1/4" (57mm X 57mm)
(front bottom) MIVA (rear bottom) T (embossing after T illegible)
Picture courtesy Don Mecklenborg |
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.
Original CD assignment from Glass Insulators From Outside North America published in 1993 by Marilyn Albers & N.R. Woodward.