271
Ian. 16. 1678/9.
The President tooke
the chair.
The minutes of Ian
the 9
th. were reade, wherevpon the Presid
t. tooke occa
sion to
mention propound as a matter De
sirable that an account should
be procured of the
Reports and obseruations made of
the quarters of the
wind in
the seuerall parts of this kingdom, of w
ch. the Letters from seuerall
parts gaue an account.
He also inquired whether D
r. Goad, had perfected his theory of predicting -
the quarter & strength of
the winds from a
stronomy. To w
ch. S
r. Ionas more
Replyed that M
r. Flam
stead had examined seuerall of D
r. Goads predictions but
had not found one of three true. But m
r. Henshaw and examined them
continually for about 2 years
together ^ /1 month about since/ and had found not aboue
a quarterone of four fal
s.
The President then enquired why we did not
ye Receaue some account from
m
r. Flam
stead . to w
ch. S
r. Ionas more replyed that he would w
th.in a fortnight
be ready to produce a book of his obseruations. It was likewi
se enquired
what was become of the In
struments of the society that had been Carried
to Greenwich. And It was de
sired that they might be returned to the Reposito
ry in order to haue them Ready for /the/ v
se of
the Society -
The President enquired of S
r. Ionas more concerning an Exp
t. he had
been informed of ^ /viz
t/ of the throwing a Copper farthing into a Liquor which being
euaporated coupelled would proue good Gold.
m
r. Henshaw supposed it might be ^ /done/ somew
t after the manner as precipita
ting Siluer out of

vpon copper plates.
m
r. Hooke mentiond another exp
t. somew
t like it whereby Iron was said to
be turned into Copper. m
r. Henshaw mentiond the chaines Said to be turnd
from Iron into copper by
the minerall waters in Hungary brought thence by
D
r. Brown.
m
r. euelyn Related that Salt of

being Di
ssolued in water, might by

put
into that water, then euaporating it & cappelling
the sediment be reduced
to

againe
Herevpon m
r. Henshaw related that the duke of Buckingham had a way of making
a mercury which would grow hott by Di
ssoluing gold. D
r. Croon Added that m
r. Boyle
had done
the same thing, But had sayd that the Exp
t. of making this

did not
always succeed.
m
r. Henshaw Related a like experiment of augmenting /gold./
siluer made
by D
r. Kefler, which was made /by/ an aqua fortis made by the help of
sand taken out of
the Bala
st of a ship. w
ch experiment trying with
other sand he found would not succeed -
Ref: CELL/RS/HF_273 © Centre for Editing Lives and Letters