Paper, on mathematical problems by Johannes [Jean] Bernoulli Paper concerning problems relating to the descent of mechanical-geometric lines and geometrical problems of sides. At bottom handwritten note reads: 'Chartam hanc ex Gallia missam accepti [This paper was sent from France] Jan 29 1696/7' and below, 'Sir Isaac Newton's hand.' Printed at Groningen in 1697. Subject: Mathematics Published in Philosophical Transactions as 'Epistola missa ad prænobilem virum D. Carolum Mountage Armigerum, Scaccarii Regii apud Anglos cancellarium, & Societatis Regiae præsidem, in qua solvuntur duo problemata Mathematica à Johanne Barnoullo Mathematico celeberrimo proposita'. [1697]