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Lettering of gold on paper

Write with milk of the fig tree then let it dry a
little, next lay the gold leaf, & once quite dry, rub with a
linen cloth and only the lettering will remain.


For bursting grenades and giving force to
fireworks

Put among the powdersix times as much of
quicksilverandthe sixth part of
quicksilver.


Tempering for balls for piercing armor of
proof

Heat the lead ball as much as you can without melting it, and
when it will be very hot, temper it in the
strongest vinegar that you can. And do this four or five times.
Next, chop some lard very small & some linen also very
finely, mix all together & use it as wadding, and by a little force
& very precisely, make it to go into the arquebus or pistol. And
before shooting, cha, if possible, make it so that
the ball be hot.


For making a breach in a wallby
night

Having made a hole in the wall as you know, put a
petardinside, charged with powder,
which should be as if lying down & the other upright, then plug the
hole & give fire.

