testing small piece of railroad track; resistance of line, of track. Tested 25 wire cable: 19.9 ohms "there must be a cross somewhere."

Jehl, Francis

1880-08-18

1880-1889

Technical Note

Electric traction

Cables, feeders, and other exterior elements

N104044

N104

[N104044] Technical Note, August 18th, 1880

36:289

Thomas Edison National Historical Park

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