Hooke Folio
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272

mr Henshaw further gaue an account of the manner how
the said Kephler hatched chickens by the help of . . . furna
ces the processe of wch. he had seen, which was that he had a
wire grate placed ouer a Balneum ^ /at a foot Distance wth. a couer ouer pulled vp by a pulley/ in wch. grate he set the eggs & soe
turnd them euery day for 18 dayes together, then he Layd them
on a haircloth in a Stoue ^ /neer the ash hole/ where they hatched themselues wth
their own bills in wch Stone he kept them for three dayes till
they could feed themselues which was when the yelk was consumed
in their Bellys. He further added that in Egypt they doe it
wth. Camells dung -
Sr. Ionas more noted that Sr. Chr: Heydon together wth Drebell long
since in the minorys hatched seuerall Hundreds but mentiond not
the way but that it had this effect that most of the chicken _
that was produced were Lame & defectiue in some part or other
He also added that the same Drebell had an art by wch. he could
produce a fly in an howers time any where
Dr. Crone related his own obseruations made wth the eggs of a pul
=let which he was assured had neuer been trod by a cock and yet
layd 5 or 6 eggs in a week, this he was assured of as hauing
kept the pullet in a Coop from the time it was hatched & neuer
suffered any cock to come neer her. these eggs being sett vnder
a hen proued addle and effeat, but being examined by him before
they were set vpon he found the cicatricula as in other eggs & the
body of a chicken formed in the Cicatricula. Herevpon the Dr
was Desired to prosecute this expt. yet further and examine the cicatri
cula wth. a microscope & to shew it to the Society
Sr. Iohn Louther, promised to procure Some of the coperas oare
. . . . .tryed by Robert Hooke in order to haue it examined/by mr Hooke/
The same also desired to be informed of the nature of the swedish mine
rall & what quantity of copper it held & how it was smel
ted. -
Sr. Iohn Hoskins took notice that Glauber had shewd the way how
to extract a metal out of the pyrites
It vpon a Discourse about the ways of making salt mr. Hooke Related
that he had been newly informed by a Dr. that liued in Ireland that he
had now Salt workes in the - north west part of Ireland where he did
boyle vp the sea water into salt in Iron pans by the help of turf
or peat, to great profit or aduantage.
Sr. Ionas more obserued concerning Peat pitts dug in the fenns that
they will in a short time fill againe wth. good peat fitt to be digged