Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 313
mon form of whichis represented in the lower central part of Plate III. § 242. Relay and repeater. — The strength of the currentis diminished, of course, as the line is extended and the numberof instruuieuts in the circuit is increased. Hence, a currentthat would move a single sounder audibly, on a… … tifiLAY ANi) REPEATER. 29l fculty maj, perhaps, be best explained by analogy. In days goneby, posts for couriers were stationed a days journe} apart.At each post were a courier and a horse at all hours ready tostart. The courier, bearing a dispatch, rode all day, and atnight reached a post where…
Physics
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