Newton's copied diagram of the Philosopher's Stone, the Holy Grail
of alchemy.
Grace K. Babson Collection of the Works of Sir Isaac Newton
on permanent deposit
at the Dibner Institute
and Burndy Library, Cambridge, Massachusetts
John Faurel, ed., et al. Let Newton Be? A new perspective on his life and works
New York: Oxford University Press, 1988, pg 156
call number: QC16 N7L47 1988
