The telegraph in American and Morse memorial (1886)
Reid, James D · New York, Printed for the author by J. Polhemus · leaf 571
are underthe direction of Hon. A. M. Mackay, the oldest telegrapher in the Dominion, now also Colonial Minis-ter of Public Works, and who stands very high in public esteem. These lines cover seven hundredmiles, much exposed to periodical sleet storms, but strongly built and diligently patrolled.… … M. M Sydney, C. B. and Hearts Content, a high rate of speed is maintained, and the capacity of cabletransmission has been doubled by a shunt in the relay, the invention of J. B. Stearnes. The most recent and most valuable improvements in ocean telegraphy is the syphon recorder oProf. Thompson, and,…
Morse, Samuel Finley Breese, 1791-1872 · Telegraph
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