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Secrets of the Earth
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Fireclay - Refractory clay, burned to the point of deprivation of plasticity.
Saffron - Family of perennial grasses of the family of killer family.
Shellac - Wax-like substance released by some tropical insects.
Granular shellac - See shellac.
Red shellac - See shellac.
Spar field - Aluminosilicate mineral.
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Sodium Lye - Aqueous solution of sodium alkali (sodium hydroxide).
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Violet Extract - Violet Root Extract.
Eosin (aniline dye) - Scarlet dye.
Erythrosine - Scarlet dye.
Lemon Essence - A solution of lemon oil (made from lemon peels) in alcohol.
Acetic essence - A concentrated solution of acetic acid in water.
Essence of violet - Essential oil obtained from violet flowers.
Eugenol - Eugenol. Liquid derived from essential oils.
Ether - See ethyl ester.
Ethyl Ether - Diethyl Ether. C4H10O. Flammable, moderately water soluble liquid.
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Copperhead - See acetic copper.
Degrees Baume - 0 ° Baume corresponds to the immersion of the oreometer in a 10% aqueous solution of salt NC1; 10 ° Baume corresponds to immersion in pure water. The scale is divided into 15 equal elements. At 15 ° the scale is referred to as normal.