The Notebooks of Leonardo Da Vinci Complete


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frequently in the fire. And it should be worked with fine emery and  
the mould (?) should be of Venus and Jupiter impasted over (?)  
Venus. But first you will test Venus and Mercury mixed with Jove,  
and take means to cause Mercury to disperse; and then fold them well  
together so that Venus or Jupiter be connected as thinly as  
possible.  
[Footnote: See the note to 637.]  
6
42.  
Nitre, vitriol, cinnabar, alum, salt ammoniac, sublimated mercury,  
rock salt, alcali salt, common salt, rock alum, alum schist (?),  
arsenic, sublimate, realgar, tartar, orpiment, verdegris.  
6
43.  
Pitch four ounces virgin wax, four ounces incense, two ounces oil of  
roses one ounce.  
6
44.  
Four ounces virgin wax, four ounces Greek pitch, two ounces incense,  
one ounce oil of roses, first melt the wax and oil then the Greek  
pitch then the other things in powder.  
457  


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