Found this large unit on a hydroelectric line that was taken down during the mid 1900's, wondering if anyone has any clues. It is in the Minden area of southern Ontario, Canada. There is a stamp with the letters CP, as a logo. Up there that could signify Canadian Pacific which is the name of a railway, but there is no railway on this line. I left it in the bush because it is really heavy and we were tired on the hike, but am planning to go back and get it, especially if it is worth something. Thanks for any tips.