Colson, Nathaniel. The mariners new kalendar ee. (Card 2) exact working a traverse. Also, the description and use of the sea quadrant, fore staff, and noc- turnal. The problems of plain sailing and astro- nomy, wrought by the logarithms, and by Gunter's scale. A tide table. The courses and distances on the coast of Great-Britain, Ireland, France, &c,. And the soundings coming into the channel. With directions for sailing into some principal harbours. By Nathaniel Colson ... To this Dublin
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