Reference numberRBO/17/6
Alternative reference numberRBO.17.21
TitleDescription of a Dial invented by William Ross of Hanly Castle in the county of Worcester
DescriptionDetails about how to use the dial - how to find the hour of the day and of the night - how to find the right ascension of the stars or sun
Original figures in text
Read to the Royal Society on 9 March 1731
Extent6 sides
Access statusOpen
Related materialSee RBO/17/7 page 27 for Richard Graham's account of constructing such a dial
Related records in the catalogueCLP/3ii/33
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