American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 158
ay be found when the total e. m. f. and resistance of the conductor are known.Thus, it will be seen, by reference to the dotted lines, that there is a potential dif-ference of 20 volts between the 800 ohm section and the 1,200 ohm section of the con-ductor. That this difference of potentials exists… … 90 1900 MOO 100 1000 900 8 30 700 600 500 «00 JOU ZOO 100 0 100 200 JOO 400 500 600 700 8
Telegraph
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
