Quotation from: The Notebooks of Leonardo Da Vinci

Written by: Leonardo da Vinci


[Footnote: See the note to 637.]


642.


Nitre, vitriol, cinnabar, alum, salt ammoniac, sublimated mercury,
rock salt, alcali salt, common salt, rock alum, alum schist (?),
arsenic, sublimate, realgar, tartar, orpiment, verdegris.


643.


Pitch four ounces virgin wax, four ounces incense, two ounces oil of
roses one ounce.

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