The Contents.

V.

Of Furnaces, etc., with a Recapitulation of the Author's Experiments.

The Preface, dividing the Book into Three Parts.

Of the Calcinatory Furnace 1. 273
Of the Sublimatory Furnace 2. 274.
Of the Distillatory Furnace 3. } 275.
Of the Descensory A furnace designed for distillation by descent. 4. }
Of the Melting Furnace 5. } 276.
Of the Dissolving Furnace 6. }
Of the Fixatory Furnace, or Athanor A furnace designed to maintain a constant heat with a self-feeding fuel supply. 7. 277.

Of the Preparation of Middle Mineral Spirits 8. 278.
Of the Calcination of Jupiter Tin. and Saturn Lead. 9. 279.
Of the Calcination of Venus Copper. and Mars Iron. 10. } 280.
Of the Calcination of Middle Minerals 11. }
Of the Ablutions Washings or purifications. of Calxes The powder or oxide remaining after a metal has been roasted or calcined., etc. 12. } 281.
Of the Inceration The process of softening a substance to a wax-like consistency. of Calxes, etc. 13. }
Of the Reduction of Calxes 14. 282.
Of the Solutions of Bodies Metals. prepared, etc. 15. 283.

Of the Way of Perfecting, according to the Third Order 16. 286.
Of the Regimen of Jupiter and Saturn 17. 288.