Diagram for the easiest rule for extracting the square root of any number
Date
late 17th - early 18th century
Creator
Unknown, Artist
Object type
Archive reference number
Manuscript page number
f67 p213
Material
Dimensions
height (page): 315mm
width (page): 198mm
width (page): 198mm
Subject
Description
Diagram for 'Touching Extraction of the Square Roote', which claims to be the easiest method for finding the square root of any number.
In papers collected by Robert Southwell.
In papers collected by Robert Southwell.
Object history
This manuscript was sold at Sotheby's in June 1893 (Phillips sale) and acquired by the Royal Society from a purchaser of that lot. Some of the material is signed by Robin Bacon, who was also Robert Boyle's scribe (see William Poole, 'Sir Robert Southwell's Dialogue on Thomas Burnet's Theory of the Earth: "C & S Discourse of Mr Burnett's Theory of the Earth" (1684): Contexts and an Edition', The Seventeenth Century, 23 (2008), 72-104).
Related fellows
Robert Southwell (1635 - 1702, British) , Diplomat
Associated place