An essay, wherein a method is humbly propos'd for measuring equal time with the utmost exactness : without the necessity of being confin'd to clocks, watches, or any other horological movements; in order to discover the longtitude at sea.
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| Format: | eBook |
| Language: | English |
| Series: | Eighteenth century collections online.
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| Online Access: | Full text online |
| Item Description: | The dedication signed: James Clarke. Reproduction of original from the British Library. Electronic resource. |
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| Physical Description: | 32p : illustrations ; 8⁰. |