The British Encyclopedia, Or Dictionary of Arts and Sciences: Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge : Illustrated with Upwards of 150 Elegant Engravings. N - R. 5Longman, 1809 - 680 pages |
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Results 1-5 of 39
Page 6
... potash . The oxide , well washed and dried , is reduced in an Hessian crucible lined with lamp - black . By the experiments that have been made on nickel in its pure state , it appears to be proved that it is possessed of magnetic power ...
... potash . The oxide , well washed and dried , is reduced in an Hessian crucible lined with lamp - black . By the experiments that have been made on nickel in its pure state , it appears to be proved that it is possessed of magnetic power ...
Page 7
... Potash and soda dissolve even a small quantity of its pure oxide ; ammonia dissolves it in a much larger quantity . Nickel combines with sulphur by fusion . The compound has a yellow colour with some brilliancy . It is brittle and hard ...
... Potash and soda dissolve even a small quantity of its pure oxide ; ammonia dissolves it in a much larger quantity . Nickel combines with sulphur by fusion . The compound has a yellow colour with some brilliancy . It is brittle and hard ...
Page 9
... potash , or nitre : this salt , known also by the name of salt - petre , is produced natu- rally in considerable quantities , particularly in Egpyt , and has been known from time immemorial . Roger Bacon mentions it un- der the name of ...
... potash , or nitre : this salt , known also by the name of salt - petre , is produced natu- rally in considerable quantities , particularly in Egpyt , and has been known from time immemorial . Roger Bacon mentions it un- der the name of ...
Page 10
... potash is probably furnished , partly at least , by the vegetables and the soil . The nitre is extracted from these beds , by lixiviating the earthy matters with water . This water , when sufficiently im- pregnated , is evaporated , and ...
... potash is probably furnished , partly at least , by the vegetables and the soil . The nitre is extracted from these beds , by lixiviating the earthy matters with water . This water , when sufficiently im- pregnated , is evaporated , and ...
Page 11
... potash , with some pure potash . When two parts of tartar , and one of nitre , are defla- grated in this manner , the residuum is called black flux from its colour . It is merely a mixture of charcoal and carbonate of potash . Nitre is ...
... potash , with some pure potash . When two parts of tartar , and one of nitre , are defla- grated in this manner , the residuum is called black flux from its colour . It is merely a mixture of charcoal and carbonate of potash . Nitre is ...
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Common terms and phrases
acid action ammonia angle angle of incidence animal appear axis benevolence body botany called calyx centre chyle circle class and order colour common compound connected consequently consists convex convex lens corolla degree distance distilled drupe Dubl earth ecliptic Edin effect employed equal Essential character feelings feet fixed flowers fluid fossil genus glass heat Hence ideas inches instrument iron ject Jussieu kind length less light Lond manner matter means ment metal mind Monogynia class motion mucilage muriatic muriatic acid Natural order nitre nitric acid object observed organs oxide oxygen parabola parallel pass perpendicular person piece plane plants Plate pleasures potash pound principle produced proportion quantity racter rays receiver refraction seeds sensation sensible side solution sometimes species specific gravity stances substances sulphur supposed surface term tincture tion Triandria tube vegetable vessels volatile oils weight