University of Leiden

HbT 86: Thomas Hobbes, A Proposition To find two meane proportionalls betweene two straight lines ('')

Copy of HbT 82, in the hand of William, second Viscount Brouncker (1620?-84), first President of the Royal Society, sent by Robert Moray to Christiaan Huygens, 23 September 1661.

Formerly cited in IELM, II.i (1987) as HbT 79. Edited from this MS in Huygens.

Published in Christiaan Huygens, Oeuvres Complètes, III (The Hague, 1890), 339-43.