IOTW CD 141.6
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Revision as of 12:40, 15 February 2008
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Insulator of the Week
141.6 - Fri, 15 Feb 2008
Nickname
Blackburn Patent
Related Patent
Utility Patent 504,059 issued to George W. Blackburn on August 29, 1893
Details
Embossing: PAT'D AUG 29-93
I believe there are only two of these known in the hobby (correct me if I'm wrong). I have in my records that at least one was found in New Jersey in an old pole hole and has been known in the hobby since the early 1970s. This is an odd little insulator, not much larger than a standard pony in size. A bail was designed to grasp the line wire and lock it in place, much like a lightning bail employed on some early fruit jars and beer bottles. Two opposing sides of the insulator have flat surfaces with indentions for attachment of the bail system. A clever design, wonder why it didn't catch on...maybe too costly to manufacture? Here are a few pics:
If you have any additional information on the Blackburn Patent insulator, please share it!
These brief comments on the Insulator of the Week are not intended to be complete and are presented to encourage discussion and additional information from ICON members.
