American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 244
l line v; the portion of thatline below ml representing the full battery with negative pole to line; the portionabove ml representing the full battery with positive pole to line. The horizontal line z may represent the potential along the main line when positivepoles at X and t are to the line; at… … 206 AMERICAN TELEGRAPHY. distant battery is to line; the line s, the fall of potential on the artificial line al, re-gardless, practically, of the polarity or e. m. f. of the distant battery. The dottedline D indicates fall of potential on main line from x when the distant end is toground, direct;…
Telegraph
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