Michael Robinson on 28 Apr 2010  •  Link

Boyle, Robert, 1627-1691.
Experiments and considerations touching colours. First occasionally written, among some other essays, to a friend; and now suffer’d to come abroad as the beginning of an experimental history of colours. By the Honourable Robert Boyle, Fellow of the Royal Society.

[Variant title: Short account of some observations made by Mr. Boyle about a diamond that shines in the dark ]
London : printed for Henry Herringman at the Anchor in the lower walk of the New-Exchange, MDCLXIV. [1664]

8vo., [40], 423, [1] p., folded plate. Title page printed in red and black. "A short account of some observations made by Mr. Boyle about a diamond that shines in the dark" has separate dated title page; pagination and register are continuous.
Wing (2nd ed., 1994), B3967; Fulton, J. Boyle, # 57

PL 798

Published in Latin the following year:

Experimenta et considerationes de coloribus, primùm ex occasione, inter alias quasdam diatribas, ad amicum scripta, nunc verò in lucem prodire passa, ceu initium historiæ experimentalis de coloribus. A Roberto Boyle nobilie anglo, et Societatis Regiæ membro.
Londini : impensis Henrici Herringman, MDCLXV. [1665]

12mo., [48], 444 p. Title page prited in red and black; initial imprimatur leaf. "Brevis Enarratio quarundam observationum" has a separate title page dated 1664 on leaf T1r.

Wing (2nd ed., 1994), B3958; Fulton, J. Boyle, #59

English text reprinted 1670.

JWB on 28 Apr 2010  •  Link

http://www.gutenberg.org/files/14…

San Diego Sarah on 9 Jun 2020  •  Link

It appears Pepys read this in Latin. The above says the English version was printed in 1670.