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[continued]
Copper is bett and latten are proper to cast & at the right heat when they cast, while stirring them in the crucible, a very white flame & that the bath is very liquid.
Some cast in well ground ceruse, pour le; others in flour moistened several times with oil & g & dried in the sun.
Others, for casting in lead, old letters of printers or types for the setting of letters.
Others put into the tin or lead a substance of fixed quicksilver which makes it run.