Trolley Support

| View Cart ⇗ | Info

This image is of a strain insulator and turnbuckle which is used for trolley wire. A strain insulator is able to withstand the tension of the wire. This device helps support the trolley wire. A turnbuckle adjusts the tension accordingly. A turnbuckle is often used for corners of a wresting arena.

Source

International Correspondence Schools A Textbook on Electric Lighting and Railways (Scranton, PA: International Textbook Company, 1901)

Downloads

TIFF (full resolution)

2906×467, 214.4 KiB

Large GIF

1024×164, 19.4 KiB

Medium GIF

640×102, 10.3 KiB

Small GIF

320×51, 4.1 KiB