Chemical Essays: Principally Relating to the Arts and Manufactures of the British Dominions, Volume 2author, and published, 1823 - Chemical engineering |
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Page x
... acquire in an open vessel , and this additional heat has a powerful effect in bleaching . By this contrivance there is no necessity for pumping ; for , so long as the lye in the vessel A actually boils , a constant stream will flow ...
... acquire in an open vessel , and this additional heat has a powerful effect in bleaching . By this contrivance there is no necessity for pumping ; for , so long as the lye in the vessel A actually boils , a constant stream will flow ...
Page 74
... acquired great skill in the method of making , and also in the manner of burning , their bricks . This will appear by a comparison of the bricks that compose any of their edifices , with those of the pre- sent day . The Roman wall at St ...
... acquired great skill in the method of making , and also in the manner of burning , their bricks . This will appear by a comparison of the bricks that compose any of their edifices , with those of the pre- sent day . The Roman wall at St ...
Page 76
... acquired proficiency in the arts of pottery . Mr. Fordyce , in describing the theatre of Herculaneum , has told us , that they had con- trived how to form earthen vessels which had the property of increasing the voices of their actors 8 ...
... acquired proficiency in the arts of pottery . Mr. Fordyce , in describing the theatre of Herculaneum , has told us , that they had con- trived how to form earthen vessels which had the property of increasing the voices of their actors 8 ...
Page 92
... acquired , and the obliga- tions under which his countrymen stood indebted to him , were however not sufficient to defend him from the persecution of the League ; for , being a protestant , Matthew de Lawnay43 , one of the greatest 92 ...
... acquired , and the obliga- tions under which his countrymen stood indebted to him , were however not sufficient to defend him from the persecution of the League ; for , being a protestant , Matthew de Lawnay43 , one of the greatest 92 ...
Page 102
... acquire that information which none but an inhabitant could easily have obtained . It will not , however , be necessary for me , while giving an account of this manufactory as at present conducted , to go much into detail ; because , if ...
... acquire that information which none but an inhabitant could easily have obtained . It will not , however , be necessary for me , while giving an account of this manufactory as at present conducted , to go much into detail ; because , if ...
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Common terms and phrases
alkali ammonia ancient Annales de Chimie apparatus barytes become bismuth bleacher bleaching boiling calicoes carbonic acid Chemical Chemistry chlorine clay cloth colour common considerable contains copper crucibles crystals deliquescent described dissolved earth earthenware edge tools edition employed Equivalent Number Essay experiments fire fixed alkalies flint flint glass fluid furnace glass glaze hard heat inches instruments iron Journal kelp kind lead 4 tin lime linen liquor London magnesia manganese manufacture melted memoir metal method mixture muriate muriatic acid nature Nicholson's nitre octavo operation oven oxalate oxide oxygen Paris pearlash Philosophical piece plates Pliny porcelain portion potash potash.-This pottery prepared produced proportion pure purpose quantity quarto reverberatory furnace sal-ammoniac salt sand says silica soap soda soluble solution specific gravity steel substance sufficient sulp sulphate sulphuret sulphuric acid surface temperature tempering tion usually vessels volume ware workmen
Popular passages
Page 75 - Ask of me, and I shall give thee the heathen for thine inheritance, and the uttermost parts of the earth for thy possession. Thou shalt break them with a rod of iron; thou shalt dash them in pieces like a potter's vessel.
Page 74 - And the Egyptians made the children of Israel to serve with rigour. And they made their lives bitter with hard bondage, in mortar, and in brick, and in all manner of service in the field: all their service, wherein they made them serve, was with rigour.
Page 594 - And twelve lions stood there on the one side and on the other upon the six steps. There was not the like made in any kingdom. 20 If And all the drinking vessels of king Solomon were of gold and all the vessels of the house of the forest of Lebanon were of pure gold: none were of silver; it was not any thing accounted of in the days of Solomon.
Page 462 - Then hurl'd the hero, thundering on the ground, A mass of iron (an enormous round), Whose weight and size the circling Greeks admire, Rude from the furnace, and but shaped by fire.
Page 60 - ... was soon observed to take place. The potash began to fuse at both its points of electrization. There was a violent effervescence at the upper surface : at the lower or negative surface, there was no liberation of elastic fluid; but small globules, having a high metallic lustre, and being precisely similar, in visible characters to quicksilver, appeared ; some of which burnt with explosion, and bright flame, as soon as they were formed, and others remained, and were merely tarnished, and finally...
Page 62 - When a globule of the basis of potash is placed upon ice, it instantly burns with a bright flame, and a deep hole is made in the ice, which is found to contain a solution of potash.
Page 569 - As he that taketh away a garment in cold weather, and as vinegar upon nitre: so is he that singeth songs to an heavy heart.
Page 343 - Thus far extend, thus far thy bounds, This be thy just circumference, O world. Thus God the heaven created, thus the earth, Matter unform'd and void. Darkness profound Cover'd the abyss ; but on the watery calm His brooding wings the Spirit of God outspread, And vital virtue infused and vital warmth Throughout the fluid mass...
Page 489 - Instead of the customary mode of hardening the blade from the anvil, let it be passed immediately from the hands of the forger to the grinder ; a slight application of the stone will remove the whole of the scale or coating, and the razor will then be properly prepared to undergo the operation of hardening with advantage. It will be easily ascertained, that steel in this state heats...
Page 523 - The verifiable ingredient is used ouly inasmuch as a fusible body, which flows over the surface of the metal in the crucibles, and prevents the access of the oxygen of the atmosphere. Broken glass is sometimes used for this purpose. When thoroughly fused it is cast into ingots, which by gentle heating and careful hammering, are tilted into bars. By this process the steel becomes more highly carbonized in proportion to the quantity of flux, and in consequence is more brittle and fusible than before....