The new American practical navigator : being an epitome of navigation, containing all the tables necessary ... (1802)
Bowditch, Nathaniel, 1773-1838, Lee, Marvin, former owner. DSI, Stuart, Gilbert, 1755-1828 DSI, Burndy Library, donor. DSI · [Salem] : Printed at Newburyport, Mass., 1802, by Edmund M. Blunt, for Cushing and Appleton, Salem : Sold by every book-seller, ship- chandler, and mathematical-instrument-maker in the United States and West Indies · leaf 227
ffel be double-decked, take the length thereof from the forepart of the main ftem to the after part of the ftern poft above the upperdeck ; the breadth thereof at the broadeft part above the main wales, halfof which breadth mail be accounted the depth of fuch veffel ; then deductfrom the length… … MENSURATION. $IJ If the veflel be fingle-decked, take the length and breadth as above dl«,jcfted, in refpect to a double-decked veffel, and deduft from the lengththree fifths of the breadth, and taking the depth from the under fide of thedeck plank to the cieling in the hold ; multiply and divide…
Navigation · Nautical astronomy
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