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My Private
Philosophicall Diary
Begun this First of Jan. 1656/7
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Jan. 1

1.) Take Linseed Oyle {pound}i frankinsence {pound} {half} comon Amber {ounce} ii Gummi Lacca {ounce} i{half} Aloes {ounce} ii Beat the Amber by it selfe & melt it by it selfe Beat the Gumme into fine powder Boyle all these with a gentle fire 2 houres (keeping the Liquor constantly stirring with a Stick least it Burne) till the Materialls be perfectly dissolv'd in the Oyle And then have you made your vernish to guild Leather with

2) Reduce with the Animall Calx your white Elixir into Cristalls, from which with a very strong fire draw a Sp: which will leave a light & altogether insipid Calx behind, put 2 parts of this Sp: upon one of the Salt to be wrought upon & Cohobate them till they all come over together

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Jan 2d

3) Take Aquila['i' altered from 'a'] Cælestis & dissolve it in as much water as will barely suffice for the solution of it, In this Liquor dissolve as much Sal Infernalis as you can in a gentle heat Then let it stand in the open aire, (stirring it often) till the humidity be evaporated & the bodies united this masse you may if need be once more moisten