Wednesday, March 10, 2010

28Nove1871, Elbe: Magnets and the Compass

Tuesday, November 28th, 1871.
—The excellent Captain told me the most bewildering things abt. the compass and the effect produced upon the needle by the iron of the ship : the newest dodge to counteract it is putting 2 magnets at the foot of each compass-stand at right angles to each other. Exactly like conscience striving against temptation ! and like it, alack ! in being only an imperfect safeguard.

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