Trolley Wire Hanger. (open access)

Trolley Wire Hanger.

Patent for new and improved trolley wire hangers to "provide a clamp for trolley-wires which may be easily and quickly adjusted by one not particularly skilled in the art" (lines 24-27), including instructions and illustrations. This clamp is also designed to keep broken insulator bolts from damaging the trolley and span wires.
Date: September 14, 1897
Creator: Faulkner, John F. & Campbell, Royer
System: The Portal to Texas History