3 Annotations

JWB  •  Link

"For what a better, fitter, gift Could be
in this world's Aged Luciosity?
To help our Blindness so as to devize
a pair of new & Artificial eyes."

Henry Power

Michael Robinson  •  Link

Power, Henry, 1623-1668.
Experimental philosophy, in three books: containing new experiments microscopical, mercurial, magnetical. With some deductions, and probable hypotheses, raised from them, in avouchment and illustration of the now famous atomical hypothesis. By Henry Power, Dr. of Physick.
London : printed by T. Roycroft, for John Martin, and James Allestry, at the Bell in S. Pauls Church-yard, 1664.

[24], 184, 187-193, [3] p. [1] folded leaf of plates : ill. (woodcuts) ; 4⁰.
Book [2] has separate title page, dated 1663, identical in wording to the general title page. Book 3 has separate title page, dated 1663, with title: Experimental philosophy. The third book. Containing experiments magnetical: with a confutation of Grand Amicus.Wing (CD-Rom, 1996), P3099

Pepysian Library, 1422; Pepys' copy, per L&M footnote, has one marginal note (at p. 44) and an index [of the several minute Bodies micrographically illustrated] in the hand of one of Pepys amanuenses. These were inserted much later than the diary period.

Michael Robinson  •  Link

"Henry Power's Experimental Philosophy was the first work published in English on microscopy. It preceded Hooke's more famous Micrographia by one year. Power's work is important for what it reflects about the first vigorous phase of experimentation and observation carried out by the early Royal Society. It contains observations and experiments on air pressure related to those that made Boyle famous. It contains observations on the airs in mines, spontaneous generation and numerous other phenomena which were under discussion at the early Royal Society meetings. The book shows a strong and openly acknowledged debt to the natural philosphy of Descartes."

For source & a reproduction of the title page see:-

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Chart showing the number of references in each month of the diary’s entries.