1978 >> July  

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



"Threadless Corner" -- The Floyd Threadless

   by Ray Klingensmith


On May 14, 1867, George Floyd, a resident of Cincinnati, Ohio, received a patent for a very unusual threadless insulator. Although this particular item could have been covered in "Patent Pages", I felt it might be of special interest to those who study and collect threadless, so I'll cover it ...                    [more]



   by Richard A. Peterson


Enclosed you will find a couple photographs of a telephone line and railroad signal line, both with several telephoto views of insulators found on the lines (not on one pole, but several poles). Thirty years or so from now these lines will be long gone, a thing in the past. 

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Porcelain Insulator News

   by Jack H. Tod


Dear Jack: 

A man sold these two insulators to my father in England last month, saying that they were excavated from a circa-1920 dump. Any info would be appreciated. 

The pin type has an insert which screws out, and this insert is fluted up the sides and over its top for insertion of a wire. Both the insert ...                    [more]


Insulator Collector of the Month



Paul Mohrs reaches for one of the many porcelain insulators in his Chesterton hone. Besides collecting the electrical insulators, Mohrs has researched their history and become editor of a bimonthly publication about insulator collections. (News-Dispatch photo by Dennis Gruse)

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Patent Pages

   by Ray Klingensmith



Ever since the first telegraph lines in this country were built in the 1840's, one problem has faced telegraph engineers. That problem is line insulation. In the early years, many crude and unsatisfactory attempts were made in creating insulators. Once a successful form was developed, there still ...                    [more]


The Blue Bell Legend

   by Larry Larned


Much interest has been shown recently in porcelain telephone signs -- particularly those formerly used by the Bell System -- also known collectively as AT&T. I have collected blue bell signs almost as long as I have collected insulators, and each complements the other. 

...                    [more]

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