The Art of Making Common Salt, as Now Practised in Most Parts of the World

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C. Davis, 1748 - Salt industry and trade - 295 pages
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Page 1 - There are few countries which do not afford vast quantities of rock or fossil salt. Mines of it have long been discovered and wrought in England, Spain, Italy, Germany, Hungary, Poland, and other countries of Europe. In several parts of the world there are huge mountains which wholly consist of fossil salt.
Page 2 - Jibbel Had-deffa is an entire mountain of salt, situated near the eastern extremity of the Lake of Marks. The salt...
Page iii - The Art of making Common Salt, as now practised in most parts of the world ; with several improvements proposed in that Art for the use of the British Dominions, London, 1748.
Page 8 - Under bay-salt may be ranked all kinds of common salt extracted from the water, in which it is dissolved, by means of the sun's heat and the operation of the air; whether the water, from which it is extracted, be sea-water, or natural brine drawn from wells and springs, or salt water stagnating in ponds and lakes.
Page 6 - Treatise. earth; it impregnates the ocean; it descends in rains ; it fertilizes the soil ; it arises in vegetables, and from them is conveyed into animals; so that it may well be esteemed the universal condiment of nature ; friendly and beneficent to all creatures endowed with life, whether it be vegetative or animal.
Page 83 - Glafs, the Sea- Water to increafe in Weight the nearer he came to the Line, 'till he arrived at a certain Degree of Latitude; as he remembers it was about the...
Page 159 - contributes greatly to fructify the earth, and when properly used as a manure affords ample nourishment to corn and other vegetables, and renders kingdoms rich and fertile where it happens to abound in the soil," p. 158, Mr. Hollingshead, a gentleman of considerable fortune, who resided near Chorley in Lancashire, and spent many years in making experiments on the application of common salt as a manure, and who also made powerful efforts to obtain a repeal of the Salt Laws, published a few years...
Page 55 - ... when they draw the fait, or have any other bufmefs in the boiling-houfe. The fame walk is continued at the end of the pan, next to the chimney ; but the pan is placed clofe to the wall at the end adjoining to the fore-houfe. The roof of the boiling-houfe is covered with boards f idler; LJ on with nails of wood, iron nails quickly mouldering into ruft.
Page 118 - Lowndes'ti salt does not seem owing to the alum, with which it is mixed, but chiefly to the gentle heat used in its preparation. The Dutch, who have long shown the greatest skill and dexterity in the art of boiling salt, make...
Page 54 - ... closely applied to every side of the salt pan. In some places, as at Blyth in Northumberland, besides the common salt-pans here described, they have a preparing pan placed between two salt-pans, in the middle part of the building, which in other works is the fore-house. . The sea-water, being received into this preparing pan, is there heated and in part evaporated by the flame and heat conveyed under it through flues from the two furnaces of the salt-pans; and t IM: hot water, as occasion requires,...

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