The mariners' handbook; a convenient reference book for navigators, yachtsmen, and seamen of all classes (1906)
International Correspondence Schools, Roden, Ernest Konrad, 1866-, International Correspondence Schools. Pocketbook · Scranton, Pa. : International Textbook Co. · leaf 140
off on each per^pendicular from the base line; and through the points thusobtained, draw the parallel of 41°. In like manner, fromthe parallel 41°. lay off the next length 1° 19.8 taken fromthe longitude scale, and draw the parallel of 42°. Proceed TERRESTRIAL NA VIGA TION 107 similarly and get the… … *SC
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