360

son. He calld his Discouery myopibus iuuamen. and obserued tht
by the vse of seeing things inuerted it became as naturall as if
they were seen erected, and Conceiued that if one from his child
hood were vsed to see things by this meanes inuerted as we
call them though they are really erected in the eye. if they
should afterwards come to ^ /see/ them wthout. the help of these
glasses they would conceiue they saw them Inuerted as
they really are at the bottom of the Eye. as he said
was very visible in a young catts eye - which is almost
transparent at the bottom. -


mr. Colwall Gaue an account from mr. Flamstead that
he had prosecuted that obseruation begun & Inuented
by mr Hooke of obseruing the Parallax of the
earths orb among the first starrs by a perpen
dicular Telescope. And that he hath Certainely found
what it is and It was herevpon Desired that mr Hooke
should Desire this obseruation of Sr. Ionas more & In
sert it in the next transactions -

mr. Papping Produced an Instrument by wch. he
could boyle any thing in Vacuo he shewd the
manner of exhausting it wth his Engine
& how he preserued it from Leaking whilst it boy
led. by tin & screws &c.

mr. Hooke produced & examined the testicles of a cock
just killed but could not perceiue any of those small ani
mall in its seed that had been seen in that of a ston
horse. It was conceiued the reason was because the
cock was very young and possibly not fit for gene
ration -

Ref: CELL/RS/HF_362  © Centre for Editing Lives and Letters