PELL PAPERS. Solutions of various trigonometrical, optical, and philosophical problems, with tables of logarithms, etc., and (in 4426) some tradesrnen's and household bills (1661-1663) and family notes.
Vol. XXII (ff. 339). includes: f. 24 Rudolph van Ommeren, Dutch Commissioner to the Evangelical Cantons of Switzerland: Letter to J. Pell: circ. 1656.: Fr. f. 24 John Pell, d 1685 DD; mathematician and diplomatist: Letter to, from R. van Ommeren: circ. 1656.: Fr. ff. 44-45b Calendars: 'How to ...