338

Dr. Grew Produced & Read two Letters the one from Dr
Cole, the other from mr. Rastell included in the former con
teining a Description of the way of making salt at
Droightwich, in answer to the querys which had for
merly been sent to Chesshire. together wth. the quality
vertues & vses of that salt, brine & salt spring.

mr. Hooke Read a translation of A chapter of the
Booke of Padrj Lana, being an explication and
Demonstration as he supposes of a way to make a
vessell to swim & floate in the air soe as to carry
in it one or more men wth other heauy bodys,
Inuented as he sayth by himself in order to make
flying practicable which has hitherto been thought
impossible.


mr. Hill produced from mr. Thomas Crisp a parcell
of graine gold, which mr. Hooke hauing examined
wth. a microscope found to consist of small bulks
of very irregular figures, but most of them seemd
to haue been melted all the angules them of them being
Round & swelling, and not at all like the angules of
sand which are sharp. & twas conceiued that the same
kind of figures would be produced if the gold when meltd
were Dashed into a heap of sand.

the society then went to take a view of the new weather
clock which was set vp in mr. Hunts Lodgings
made to keep an account ^ /of the quantity & time/ of all the changes that hap
pen in the air as to its heat & cold, Its dryness &
moysture, Its grauity & Leuity, Its motion in what
quarter & wth wt strength and velocity, As also /of/ the
the ^ /time &/ quantity of the Raine & snow & haile that falls all wch it
sets down in a paper soe as to be very Legible & certaine

Ref: CELL/RS/HF_340  © Centre for Editing Lives and Letters