Tested 25 and 18 wire sections of Carman's circuit. After fixing short in lamp post, wires @ 214.5 [2145?] ohms. "This cable is wrapped once with muslin tarred, wound with marlin covered with hard coal tar boiled with crude coal tar, half & half." [`marlin' is "small, usually tarred line of two strands twisted losely left-handed that is used esp for seizing and as a covering for wire rope.']

Jehl, Francis

1880-08-21

1880-1889

Technical Note

Cables, feeders, and other exterior elements

N104059A

N104

[N104059A], Technical Note, Francis Jehl, August 21st, 1880

36:296

Thomas Edison National Historical Park

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University