1979 >> December  

Message to readers about contents for this month....

  

   

Porcelain Insulator News

   by Jack H. Tod, NIA #13

   

Dear Jack: 

Reference the egg-type porcelain strain insulator in your Sept. 1979 column (page 27). 

I have seen many egg insulators still in use on 600-volt dc trolley feeder lines and overhead trolley wires in San Francisco. Also some are still in use on Pacific Gas and Electric Co.'s ...                    [more]



   

Foreign Insulators

   by Marilyn Albers

   

Iran 

A trip to the Bakersfield Show October 6 and 7 inspired the topic for this month's article on Iran, giving you information on a pretty little glass insulator from that country, that many of you already have in your collection. Many thanks go to Grant Salzman, of Sacramento, California, who was ...                    [more]



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