SergioWilkins
Posts: 164
Joined: 4/18/2006 From: Mt. Brydges, Ontario Status: offline
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Hello! Indeed, the small glass object you've dug up is a lightning rod insulator. These were used to insulate the grounding wire on lightning rod systems running down the side of buildings. In use, these would have a metal bracket that would allow them to bolt in to the side of the building, with the small glass tab on the side of the insulator keeping it stuck on the bracket. Here's a picture of the full set-up. http://www.insulators.info/pictures/?id=218478144 And here are a couple in use: http://www.insulators.info/pictures/?id=244309604 A good find for certain! Keep up the good digging!
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Barrett N.
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