Document Title: 'A Conjecture at the Causes of the real Virtues of Gems & medicinall stones'
Related Material: Published in Works, vol. 7: pp. xiv-xv; overlapping with ibid., 12-13. For later version, see BP 38, fols. 123-4.
Extent: Pp. 423-6 (2 leaves)
Date: 1660s
Description: MS text overlapping with the introduction to section I of Gems, first part published in paragraphs 4-6, the rest discarded
Hand: E, corrections by Boyle
Physical Description: Manuscript
Language: English

Archive reference: BP 25, pp. 422-23< Previous image | Next image >