Thomas M-3890A from Hauser Dam in Helena, Montana

By Zac Mirecki; posted May 1, 2010

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Due to space restrictions, I very recently decided to focus on collecting smaller insulators. When I had a chance to purchase this classic lily-shell porcelain insulator several months ago, I quickly made an exception to the rule. I've been seeking a lily-shell piece like this since I began collecting a little over six years ago and I am thrilled to be lucky enough to own one.

This insulator is an early Thomas and was used in Hauser Dam on the outskirts of Helena, Montana. A worker at the plant there oversaw a crew of men who pulled this (and several other M-3890As) out of the dam. He gave me an interesting history on the insulator and the hydroelectric plant: "The plant these insulators came from is called Hauser Dam. They were actually removed from the plant years ago and from what they tell me, were part of a elaborate busswork lightning arrester system that was abandoned many years ago because it didn't work as they expected. They started building the plant in 1905 and it was completed in 1908. It is located on the Missouri river."

For being such an old-timer, this insulator is in great condition. Unfortunately it received some damage on the crown when the worker removed the metal bussbar holder cemented to the crown with an angle grinder (CRINGE). Whatever the damage may be one cannot ask for a nicer classic porcelain insulator; each shell is different and unique. This summer I'd like to touch up the crown a little to rebuilt some rough spots and make it look tip top. This insulator will sure have a home of its own... somewhere.

Thank you for looking!

Enjoy.

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