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Volume 1. The Chemistry of the Ancients[ edit ] Chemistry, as an art, was practised thousands of years before the Christian era; as a science, it dates no further back than the middle of the seventeenth century. The monumental records of Egypt and the accounts left us by Herodotus and other writers show that the ancient Egyptians The operations of chemistry as performed by them were of the nature of manufacturing processes, empirical in character and utilitarian in result. Nevertheless, it is mainly from Egyptian records, or from writings avowedly based on Egyptian sources, that such knowledge The art A similar myth Synthesis Of Camphor Essay current among the Phoenicians, Persians, Greeks, and Magi.
Some of the ecclesiastics who elaborated these myths included the use of charms, a knowledge of gold and silver Synthesis Of Camphor Essay precious stones, the art of dyeing, of painting the eyebrows, etc. It was characteristic of writers who had affixed an eternal stigma on Eve to make the sex in general answerable for an illicit knowledge of "things unfit for Esaay to know. The manufacture of alcohol by processes of fermentation is probably the oldest of the chemical arts. The word vine means, in fact, a product of fermentation. It was a sacrificial offering even in the earliest times, as was bread. The Egyptians were skilled in dyeing and in the manufacture of leather, and in the production and working of metals and alloys. They were familiar with the methods of tempering iron.
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They made glass, artificial gems, and enamels. Gold was undoubtedly one of the earliest metals to be made use of by men, as it probably was one of the first to be discovered. It occurs free in nature, and is met with in many Off and in Synthesis Of Camphor Essay sands of rivers. Its colour, lustre, and density would early attract attention Ethiopian and Nubian gold were known from the earliest times, and quartz crushing and Synthesis Of Camphor Essay washing were practised by the Egyptians. Representations of these processes have been found on Egyptian tombs dating from B. Gold-wire was used by the Egyptians for embroidery, and they Off platinggildingand inlaying as far back as B. It was originally known as "white gold. Such an alloy http://pinsoftek.com/wp-content/custom/stamps/the-bet-and-the-necklace.php termed electrumfrom its resemblance in colour to amber.
Copper is also found to a limited extent in the metallic state, but probably the greater part of that used by the ancients was obtained from its ores, which are comparatively abundant and readily smelted.]
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