Wyoming, IL c.1925, 10-Pin Telephone Openwire Line
By Joe Maurath, Jr.; posted February 23, 2014 View Original: Click to zoom, then click to magnify (800 x 477) 86KB
A double-armed dead-end 10-pin telephone openwire circuit is seen on the far right before wires were prepared for a long span across this Illinois bridge (SR 30).
