|Title||Unpublished paper and letter, 'A simple and concise method of computing the mean distances of the planets from the sun' by Wm [William] Lydiard|
|Date||12 January 1820|
|Description||Lydiard provides a method for calculating the average distance of any planet with a known periodic revolution from the sun. Includes a diagram. Followed by a covering letter from Lydiard to the Secretary of the Royal Society.|
Subject: Mathematics / Astronomy
Written by Lydiard in Plymouth [Devon, England].
|Physical description||Ink on paper|
|Related records in the catalogue||AP/10/9/1|