"Viaticum Nautarum or The Sailor's Vade Mecum": a treatise on finding longitude at sea by Astronomical Observations by Robert Wright.
"Viaticum Nautarum or The Sailor's Vade Mecum": a treatise on finding longitude at sea by Astronomical Observations by Robert Wright, 1726.
Related Material the <a href="http://cudl.lib.cam.ac.uk/view/MS-NVT-00005/1">Board of Longitude Digital Archive</a> for a digitised copy of this item.
Related Material the <a href="http://cudl.lib.cam.ac.uk/view/MS-NVT-00005/1">Board of Longitude Digital Archive</a> for a digitised copy of this item.
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