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User's guide for a Dulcitone keyboard. A user guide, also commonly known as a user manual, is intended to assist users in using a particular product, service or application. It is usually written by a technician, product developer, or a company's customer service staff. Most user guides contain both a written guide and associated images.
The Mirror of Alchimy is a short alchemical manual, known in Latin as Speculum Alchemiae. Translated in 1597, it was only the second alchemical text printed in the English language. Long ascribed to Roger Bacon (1214-1294), the work is more likely the product of an anonymous author who wrote between the thirteenth and the fifteenth centuries.
Category for articles related to tools used in alchemy. Pages in category "Alchemical tools" The following 11 pages are in this category, out of 11 total.
Alchemy (from the Arabic word al-kīmīā, الكیمیاء) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe. [1]
Alchemical symbols were used to denote chemical elements and compounds, as well as alchemical apparatus and processes, until the 18th century. Although notation was partly standardized, style and symbol varied between alchemists.
Inner Garden Alchemy Research Group: a non-profit foundation that aims to transmit the alchemical tradition. Alchemy on In Our Time at the BBC; Dictionary of the History of Ideas: Alchemy; Book of Secrets: Alchemy and the European Imagination, 1500-2000 – A digital exhibition from the Beinecke Rare Book and Manuscript Library at Yale University
(Biblical interpretation, the architecture of the Jewish Temple, ancient history, alchemy and the Apocalypse). "The Chymistry of Isaac Newton: original manuscripts of alchemy". dlib.indiana.edu. Newton wrote and transcribed about a million words on the subject of alchemy "Catalogue of Newton's Alchemical Papers". newtonproject.sussex.ac.uk.
The Gibbs free energy relates the tendency of a physical or chemical system to simultaneously lower its energy and increase its disorder, or entropy, in a spontaneous natural process. Gibbs's approach allows a researcher to calculate the change in free energy in the process, such as in a chemical reaction, and how fast it will happen.