Boston, 1908. Ornate Steel Trolley Service Pole with Two Deep Groove Glass Insulators.
By Joe Maurath, Jr.; posted February 11, 2021 View Original: Click to zoom, then click to magnify (754 x 609) 133KB
Click "Previous" for a close look at this pole's crossarm. It appears to have a CD 164 and perhaps a CD 166.2 insulator with heavy cables tied to each of them.
