A new and accurate method of finding a ship's position at sea : by projection on Mercator's chart ... The principles of the method being fully explained and illustrated by problems, examples, and plates, with rules for practice, and examples from actual observation / cby Thomas H. Sumner.
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| Format: | Book |
| Language: | English |
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Boston :
T. Groom,
1845.
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| Edition: | 2nd ed. |
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| Item Description: | Folded maps on lining papers. Cover vignette stamped in gold. |
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| Physical Description: | 88 pages, 6 unnumbered leaves of plates (5 folded) : illustrations, charts, maps ; 25 cm. |