Improvements in the methods now in use for taking the longitude of a ship at sea. Invented and described by Samuel Dunn.
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| Format: | eBook |
| Language: | English |
| Series: | Eighteenth century collections online.
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| Online Access: | Full text online |
| Item Description: | Horizontal chain lines. Without gathering C. Sig B4v (page 16) has the word 'End' at the foot, and D1r (unpaginated, but presumably intended to form page 25) has an imprint at the foot: 'Printed for the author. M.DCC.XCII.' - The last page ends: 'Here ends sheet II. supplementary.'. Reproduction of original from the British Library. Electronic resource. |
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| Physical Description: | 16, 1 unnumbered page, 26-40p. ; 8⁰. |