Boston Vicinity, c.1910. Close View of Busy Utility Pole Top in Town Square.
By Joe Maurath, Jr.; posted September 8, 2020
View Original: Click to zoom, then click to magnify(635 x 598) 89KB
Fire alarm circuits ran along the top on the added poletop extension viewed here. This was a rather common method of stringing wires on tops of poles through at least 1910.