Catalogue Entry: ALCH00005
'Causæ et initia naturalium' (notes on Jan Baptista van Helmont's Ortus medicinae (1667)).
Bought at the Sotheby sale by C.A. Stonehill for £8.10s., and offered to Keynes for £12.10s. on 7 September 1936.
See H751 for Newton's copy of van Helmont's work.