Modern practice of the electric telegraph. A handbook for electricians and operators (1872)
Pope, Frank L. (Franklin Leonard), 1840-1895 · New York : D. Van Nostrand · leaf 143
lymaintain the same magnitude, although their posi-tion as regards the axis may be altered in variousways. Now let us construct a diagram which shall correctlyrepresent the electro-motive forces, tensions, resist-ances, and strength of current, as a telegraph line witha closed circuit, having a… … Let the horizontal line N P (see Fig. 59) representthe axis, or line of resistances, the latter being repre-sented in their respective order, beginning at the pointof contact, N, between the extreme zinc plate of thebattery and the liquid of the cell. N B, B C, and CP represent the respective…
Telegraph
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