1ning at the upper Orifice, and occaſion'd,
as it ſeem'd, by the exceſſive heat of too
large an Iron that was employ'd to melt
the Cement about that Orifice. But ha
ving laid upon this crack a broad Plaiſter,
which in one of our Eſſays written ſome
years ſince to your ingenious and hopeful
Couſin Fones, we extoll for the mending
of crack'd Receivers, and other Chymi
cal Glaſſes; and having afterwards thick
ly over-laid this Plaiſter with Diachylon,
we neither could then, nor can yet per
ceive that the Veſſel leaks ſenſibly at that
crack.
as it ſeem'd, by the exceſſive heat of too
large an Iron that was employ'd to melt
the Cement about that Orifice. But ha
ving laid upon this crack a broad Plaiſter,
which in one of our Eſſays written ſome
years ſince to your ingenious and hopeful
Couſin Fones, we extoll for the mending
of crack'd Receivers, and other Chymi
cal Glaſſes; and having afterwards thick
ly over-laid this Plaiſter with Diachylon,
we neither could then, nor can yet per
ceive that the Veſſel leaks ſenſibly at that
crack.
The Plaiſter was made of good quick
Lime finely poudred, and nimbly ground
with a Peſtle in a Morter, with a quantity
(I know not how much preciſely, not ha
ving thoſe Eſſays in this place) of ſcra
pings of Cheeſe and a little fair Water,
no more then is juſt neceſſary to bring the
mixture to a ſomewhat ſoft Paſte, which
when the Ingredients are exquiſitely in
corporated, will have a ſtrong and
ſtincking ſmell: Then it muſt be im
mediately ſpread upon a Linnen Cloath
three or four fingers breadth, and preſently
apply'd, leſt it begin to harden. But if
Your Lordſhip had ſeen how we mended
Lime finely poudred, and nimbly ground
with a Peſtle in a Morter, with a quantity
(I know not how much preciſely, not ha
ving thoſe Eſſays in this place) of ſcra
pings of Cheeſe and a little fair Water,
no more then is juſt neceſſary to bring the
mixture to a ſomewhat ſoft Paſte, which
when the Ingredients are exquiſitely in
corporated, will have a ſtrong and
ſtincking ſmell: Then it muſt be im
mediately ſpread upon a Linnen Cloath
three or four fingers breadth, and preſently
apply'd, leſt it begin to harden. But if
Your Lordſhip had ſeen how we mended
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