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Moulding stucco quickly

Grind & pulverize finely brick or Armenian
bole or sanguine & incorporate it with melted wax,
& thus melted, cast like the others on a relief medal,
& thus you will have a cavity where you will be able to cast with
plaster, crushed paper or terre chimolee.



Finely sieved brick is better, because the bole is too
fat


Cleaning yellow pearls

Gently boil them in the bouteure of the
goldsmith then, with tripoli & a piece of
leather, sprinkled on the flesh side with the powder of the
said tripoli, rub & polish the pearl.


For whitening enilanroc

Some think that the crust of ceruse color which is natural on
top, others say that it is a secret of ancient lapidaries
that is lost, others say that it is reheated enamel. And by means
of the said crust, multiple ciphers, letters, circles
st & other bizarre things can be formed. As for
the method, I have practiced thus. Once I wished to give it a layer of
arsenic ground on marble. However, I experimented
without this, and I put the above said thing, enilanroc, in a
small iron casket on the fire of my
goldsmith's forge with three or four small
half-burnt coals, and blew only with my mouth. And,
however, the thing came to redden & ignite & became
all white, not only on its surface but also inside, & at that time I
let it cool on its own near the fire, for otherwise, exposing
it suddenly to cold air, it would have burst. Once all white, I passed
it through my lead wheelof
tin, where I found it as hard as before, & uncovering a
little white, I found it a fair carnation. Finally, I polished it &
saw that it took a very beautiful polish & could be compared to a
very beautiful agate for cutting some beautiful face on it &
bringing it on the a table of



