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herevpon much discourse was had about the Poysonous nature of
Seuerall minerall waters, Sr. Iohn Louther mention an obserua
tion that had been made by a freind of his, that vpon the tra
king out of water from a coale mine & Running into Pla=
ces where were store of Fish all the fish were obserued to be
killed thereby -

mr. Henshaw mentiond that it was a vsuall obseruation that
Plumbers could not keep /their/ catts from being killd by Licking vp the
Dust of their Lead.

Dr. King mentiond that he Liuing neer the white Lead works in
Hatton Garden has had Diuers of the Labourers in that work, his
patients, sometimes taken wth. conuulsions sometimes wth. Palsys
sometimes wth. . . . . . . . Gripings in their gutts, Diuers of them
Speechlesse.
It was also noted that Diuers Plumbers & Guilders are obserued
to be Paralytick &c.
all which effects were ascribed to the noxious steames proceed
ing from those mettalls vpon wch. they wrought.

mr Hooke mentiond that he had Receiud a Letter from mr Wm
Ball & another from Dr. Beale both members of this
Society, an. But it being pretty Late the Society Desired to -
haue an account of them at another meeting. And Arose to
obserue the experiments.

First ^/mr Hoo/ an account was giuen ^/by mr Hooke/ of the expt. for examining the -
weight of tin, Copper, & the mixture of tin and copper &
the way and Reason thereof explaind
2ly. the Expts formerly shewn in this Society were now againe shewn
for the entertainemt of Count
vizt. the expts. for explaining the nature of fire. the first was that
of coles & a chafing dish of ^/burning/ Coles included in a box wth bellows
to Blow the satiated air vpon them -
and the 2d. was that of Sealing vp a charcole in a pipe of Glasse
and keeping it in a very hott fire for about an howre and
half, the effects of both which were the same wherof wth
those that haue been formerly shewd here to this purpose of
which accounts are already entred in the [. . . . . . . . . . . .]

Ref: CELL/RS/HF_378  © Centre for Editing Lives and Letters