The telegraph manual: a complete history and description of the semaphoric, electric and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern.

200 HISTORY OF THE ENGLISH TELEGRAPH.
five electrometers and their wires (shown at the opening in
the dial board), and numbered, 1, 1; 2, 2; 3, 3; 4, 4, and 5,
5. The coils of the multipliers are secured with their needles
to the case, having each exterior needle projecting beyond the
dial, so as to be exposed to view. Of the wires from the coils,
five are represented as passing out of the side of the case, on
the left hand, and are numbered 1, 2, 3, 4, and 5. The other
five wires pass out onthe right hand, and are numbered in the
same manner. The wires of the same number as the electrometer, are those which belong to it, and are continuous. Thus
the wire 1, on the left hand, proceeds to the first coil of electrometer 1, then to the second coil, an d then coming off,
Fig 23.
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// \B \D
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