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mention was made also Of his way of Blowing vp sunken Ships
S
r. Ionas moor said that the way of Blowing vp ships by gunpow
der, to w
ch fire was conueyed vnder water by meanes of a pipe
and a train-match. is now frequently practi
sed as it was
hereto fore at woolwich & sherne
sse
The same also Related an obseruation of his about Red hot
bullets shot out of a gun, that the said Bullets would continue
as red hot as they were shot
after they till they fell w
ch. he
conceiues to be cau
sed by the swiftne
sse of
. . . /their/ motions through
the air. This he said was obserued at Hull.
m
r. Hook mentiond his obseruation of the melting of a small part of
steel struck off by the violence of the stroke of a flint, the
Heating of Iron by filing, hammering, grinding, Rubbing. that
the Du
st thrown off in from the grind
stone in grinding kniues -
Razors and the like are melted Globules of
the steel that the
parts of flints & other hard stones al
so vpon striking one
against the other will grow red hot and shine as will also
tobacco pipe clayes and seuerall other clayes & earths hard
ned by burning.
m
r. Henshaw obserued that the Iron heated Red hott by hammering
mu
st be
thinn /small-/, otherwi
se that the experiment would not
succeed.
S
r Iohn Hoskins said that m
r. Aubery had lighted a pipe of tobacco by
an Iron soe heated by Hammering.-
m
r. Hooke Related that he had fired a gunpowder serpent which had
burnt vnder water and come out againe burning after it
had pa
st through a good space of water -.
There was occasiond a Di
scour
se about sub
stances burning in
water as camphir. naptha petrolium &c.
D
r. Holder Related that sometimes Riuers haue been guar
ded by Petrolium swimming vpon the water for that
/any part of/ the same being fired
in any Part of it would all of it pre
sent
ly take fire and set fire to the shipps swimming in it -
And that the King of Achim was said to haue made v
se of it -
Ref: CELL/RS/HF_315 © Centre for Editing Lives and Letters
