American telegraphy and encyclopedia of the telegraph; systems, apparatus, operation (1909)
Maver, William, jr. [from old catalog] · New York, Maver publishing company · leaf 201
l contacts x of t.T and t are in turn con-trolled by armature-lev-ers I V of the main-linerelays R r. mb and mbare the main-line bat-teries. The operation ofthe repeater is as fol-lows : In the figure Westis repeating to the East.The act of opening thewestern line opens relay r and its armature… … FIG. 1381^. ATKINSON REPEATER. REPEATERS. l66a instant the lever of t opens the eastern circuit at c. This opens relay R, whoselever / falls back, but this does not affect transmitter T, since its local circuit lb isclosed at d of is. Thns the opposite transmitter is kept closed. When East sendsto…
Telegraph
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