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original: "ratiuis" ...rational. 182
The end of the discovery of truth.
OF THOSE THINGS WHICH are contained in the individual chapters of the Book of Furnaces.
I. Preface dividing the book of furnaces into four parts. 184.
II. Concerning the Calcining furnace A furnace used for roasting or reducing materials to powder through heat. 185
III. Concerning the Subliming furnace Used for sublimation, where a solid is heated into a vapor and then condensed back to solid form. ibid.
IIII. Concerning the Distilling furnace. 187
V. Concerning the Descending furnace A furnace for "distillation by descent," where the vapor or liquid is forced downward into a receiver. 188
VI. Concerning the Melting furnace. 189
VII. Concerning the Dissolving furnace. 190
VIII. Concerning the Athanor furnace, or the fixing furnace A furnace designed to maintain a uniform heat over a long period, used for "fixing" volatile substances. 191
IX. Concerning the preparation of spirits, mineral intermediates, and alums. 193
X. Concerning the Calcination of Jupiter Alchemy: Tin. 194
XI. Concerning the calcination of Saturn Alchemy: Lead. ibid.
XII. Concerning the Calcination of Venus Alchemy: Copper. ibid.
XIII. Concerning the Calcination of Mars Alchemy: Iron. ibid.
XIIII. Concerning the Calcination of mineral intermediates. ibid.
XV. Concerning the washings of burnt bodies. 195
XVI. Concerning the waxing original: "incerationibus"; the process of softening a substance to a wax-like consistency of washed Calxes. ibid.
XVII. Concerning the reduction of Calxes into a solid mass. ibid.
XVIII. Concerning the solutions of prepared bodies, and concerning their certain conjunctions, with a certain proportion, so that they may appear better, with brilliance, after their reductions. 196
XIX. Concerning the method of perfecting the third order. 198
XX. Concerning the governance of Jupiter and Saturn. 199
XXI. Concerning the governance of Venus and Saturn. 200
XXII. Concerning the governance of Mars. ibid.
XXIII. Concerning the governance of the Moon Alchemy: Silver. 201
XXIIII. Concerning the governance of Mercury Alchemy: Quicksilver. ibid.
XXV. Concerning the ferment of the Moon for the white original: "azymum"; referring to the white or silver stage of the Great Work. 202
XXVI. Concerning the ferment of the Sun Alchemy: Gold for the red. ibid.
XXVII. Concerning the ferment of the ferment, both white and red, upon Mercury. ibid.
XXVIII. Recapitulation of the author's experiments. 203
XXIX. Mercurial Plays original: "Ludi Mercuriales"; likely referring to chemical demonstrations or transformations of mercury. 206
XXX. The Yellowing original: "Citrinatio" of the Moon. ibid.
OF THOSE THINGS WHICH are contained in the Mirror of Alchemy by the most learned man Roger Bacon.
Short Preface. 208