Record

Reference numberRBO/21/64
Alternative reference numberRBO.21.364
LevelItem
Title'The Description and Use of an Apparatus added as an Improvement to Davis's Quadrant, consisting of a Mercurial level...' by Charles Leigh
Date1739
Description'... for taking the Co-altitude of the Sun or Star at Sea, without the usual assistance of the sensible Horizon, which frequently is obscured'
Engraved figure from 'Philosophical Transactions' attached
Read to the Royal Society on 28 June 1739
LanguageEnglish
Extent11 sides
FormatManuscript
Access statusOpen
Related materialPrinted in 'Philosophical Transactions', vol 40, no 451, p 417
Related records in the catalogueCLP/8ii/58
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