Pal.lat.1339

10 May in September original: "10 magg. i. september." This may indicate a specific astrological timing or a correction in the calendar of the work.
Sun, Moon, Mars, Mercury, Venus, Jupiter, Saturn These symbols represent the seven classical metals: Gold, Silver, Iron, Quicksilver, Copper, Tin, and Lead.

But as to that which was once [noted], the heat from the prior fire [should be maintained]. 12 pounds original: "l'" likely "librae" should be held up to 40 [days or degrees] so that the integrity original: "salus," literally "health," here meaning the success or safety of the chemical matter is proper. Divide 7 parts through 6 hours of the day; this is taught because nature [works] through almost 5 hours, so that three or as if... through some other thing.

Safety of the right hand

Furnace

Furnaces ought to be made... so that the heat must be changed in the upper part. The furnace ought to have 4 channels where the [heat] may increase; it should have nozzles original: "nasalia," the spouts or openings of a furnace with a double furnace... it should have a great roundness and a large channel so that when the water distills, the integrity [of the vessel] the furnace is thus round in the upper part is not [compromised]. Let the furnace be round... it is better that one part of the heat be open, because there the divided preparatory vessels preparatory vesselsContainers such as flasks or retorts used to hold substances before or during a chemical reaction. ought to be placed. Sit also a furnace that is round but narrow in the upper part, which is better... like a jar original: "olla" in which... for congealing the solution.

Let there also be [a furnace] for... it should have... in which the vessels are placed. Set also another furnace which has [places] in which the metals [are melted], such as for gold... with a base of the [proper] form... + [made] from clay or rather the Lute of Wisdom Lute of WisdomAlso known as "Lutum Sapientiae," a specialized sealant or chemical cement made of clay, dung, and hair, used to airtightly seal alchemical vessels against high heat. which is made in this way: [take] three parts... from horse hide or finely chopped hair... the best...

Concerning the clay which is prepared for the firing... with a width of [four] palms A "palm" was a common pre-modern unit of length based on the width of the human hand. marked upon the earth... a furnace of 6 [palms] in width... In the height... windows original: "fenet'a," referring to vent holes or sight-holes in the furnace wall in the sides... two holes... so that the smoke may exit... from two holes... heat... from 12 parts... S