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Books Books 1 - 4 of 4 on ... south pole in the starboard angle, the semicircular forces will be represented....  
" ... south pole in the starboard angle, the semicircular forces will be represented by two magnets, one fore-and-aft and the other athwartship, and compensation may be made by two separate magnets lying respectively in the directions stated, but with their... "
A practical manual of the compass: a short treatise on the errors of the ... - Page 28
by Harris Laning - 1916 - 146 pages
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The American Practical Navigator: Being an Epitome of Navigation and ...

Nathaniel Bowditch, George Wood Logan - Nautical astronomy - 1906 - 652 pages
...of the single magnet may be resolved into two components one fore-and-aft, and one ath wartship; in this case, instead of being represented by a single...south or attracting poles of the ship's force. Figure 11 represents theconditious that have teen described. If О be the center of the compass, XX' .. -*...
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A practical manual of the compass: a short treatise on the errors of the ...

United States. Bureau of navigation (Navy dept.), United States. Bureau of Naval Personnel, United States Naval Institute - Compass - 1916 - 146 pages
...the compass, then the angle made by this line with the keel line of the vessel, measured from right ahead, around to the right, is called the starboard...represents the conditions that have been described. If 0 be the center of the compass, XX' and YY', respectively, the fore-andaft and athwartship lines of...
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A practical manual of the compass: a short treatise on the errors of the ...

United States. Bureau of Naval Personnel, United States Naval Institute - Reference - 1915 - 146 pages
...compass deviations will be corrected, provided that the ship does not change her magnetic latitude. this case, instead of being represented by a single...represents the conditions that have been described. If 0 be the center of the compass, XX' and YY', respectively, the fore-andaft and athwartship lines of...
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American practical navigator: an epitome of navigation and nautical astronomy

Nathaniel Bowditch, George Wood Logan - Nautical astronomy - 1916 - 836 pages
...athwartship; in this case, the semic-, circular forces will be represented by two magnets, one fore/ and-aft and the other athwartship, and compensation may /...position occupied by the south or attracting poles of the ship s force. Figure 11 represents the conditions that have been described. Let О be the center of...
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