Reference numberRBO/17/7
Alternative reference numberRBO.17.27
Title'Description and Use of an improv'd equinoctial Dial for shewing the hour by the Sun or any of the Stars, with great Exactness Contrived and finish'd Anno 1727 by Richard Graham'
DescriptionThat Graham had already constructed a dial to find the time by the sun or stars (for William Ross's model see RBO/17/6 page 21)
Original figure in colour attached
Read to the Royal Society on 16 March 1731
Extent5 sides
Access statusOpen
Related records in the catalogueCLP/3ii/34
Fellows associated with this archive
NA5802Graham; Richard (1693 - 1749)1693 - 1749
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