The Notebooks of Leonardo Da Vinci Complete


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or with aqua fortis or with ... Removes the black hair on a white  
horse with the singeing iron. Force him to the ground.  
6
49.  
FIRE.  
If you want to make a fire which will set a hall in a blaze without  
injury do this: first perfume the hall with a dense smoke of incense  
or some other odoriferous substance: It is a good trick to play. Or  
boil ten pounds of brandy to evaporate, but see that the hall is  
completely closed and throw up some powdered varnish among the fumes  
and this powder will be supported by the smoke; then go into the  
room suddenly with a lighted torch and at once it will be in a  
blaze.  
6
50.  
FIRE.  
Take away that yellow surface which covers oranges and distill them  
in an alembic, until the distillation may be said to be perfect.  
FIRE.  
Close a room tightly and have a brasier of brass or iron with fire  
459  


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457 458 459 460 461

Quick Jump
1 306 613 919 1225