Chochinele to Dye a perfect Scarlet. So much depends upon the very Veſſel, wherein the Tinging matters are boyl'd, and ſo great an Influence may an unheeded Circumſtance have on the Succeſs of Experiments concerning Colours.
FINIS.
A SHORT
ACCOUNT
OF SOME
OBSERVATIONS
Made by Mr. BOYLE
About a Diamond that Shines in the Dark.
Firſt encloſed in a Letter written to
a Friend,
And now together with it annexed to the Foregoing
Treatiſe, upon the ſcore of the
Affinity Betwixt