The FITRE types

By Francesco Bianchi; posted December 18, 2016

View Original (678 x 522) 179KB

 


Two different versions of the FITRE type insulators, once used in the apparatus for the protection of the service telephone lines. FITRE means Fabbrica Italiana Telecomunicazioni Relè Elettronica, an hystorical Italian company that produced these apparatus.

486631031