p. 204




Status: Complete

190. Nitre to V.

Take a piece of green oak
about 2 fingers thick. lay it on an
[symbol ]O plate. lay (symbol) on the middle of the
wood, on an heap, & set fire to it with
a hot [symbol] . & repeat it till it bee one
thro the wood, & the [symbol] [?] upon the
[symbol] plate: it becomes altered blue but
afterwards greenish, keep it warm
& dry, to preserve it from running
to Deliq--
[?] in making
artificial stones
Impressions of Leaves
on paper.
Boil an Onion sliced in a

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