Autograph Letter Signed With Richly Scientific Content Relating To The Ongoing Debate About The

by John Machin

$12,500 · Offered by Sophia Rare Books

Signed

London: 1738. / An important autograph letter signed by John Machin c. 1686-1751 , Secretary of the Royal Society and Professor of Astronomy at Gresham College, to James Stirling, dated Gresham College, 22 June 1738, reporting at length on Maupertuis's La figure de la terre — just published, and a presentation copy from Maupertuis to Stirling deposited by Machin at the Watts Academy — and on the still-awaited return of the French mission to Peru. Machin urges Stirling

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