The Emporium of Arts & Sciences, Volume 1John Redman Coxe, Thomas Cooper J. Delaplaine, 1815 - Industrial arts Contains instructional essays on a wide range of topics, including, but not limited to: the art of making gun flints, the construction of a movable table for the use of engravers, preparing ox-gall, blowing up rocks under water, the manufacture of iron and steel wire and gilt buttons, methods of telegraphic signalling (including smoke signals), and methods for preparing varnishes. Also contains numerous reports on topics such as: spontaneous combustion, the effect of magnetism on time-pieces, the remains of a woolly mammoth, the wines and champagne of France, the construction of theaters (and their acoustical properties), the qualities of rapeseed oil, and many other topics. |
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Page 43
... combustion had taken effect . 2d , I subjected to a similar treatment 875 grains of an argillaceous iron - stone , which contained a usual propor- tion of lime ; the fusion of this powder was more difficult than that of the former ...
... combustion had taken effect . 2d , I subjected to a similar treatment 875 grains of an argillaceous iron - stone , which contained a usual propor- tion of lime ; the fusion of this powder was more difficult than that of the former ...
Page 58
... combustion of iron by oxygen gas , furnished by the decomposition of atmos- pheric air it is an operation which the accurate observer By being exposed to the atmosphere . T. C. may daily see manifested in almost every department of the ...
... combustion of iron by oxygen gas , furnished by the decomposition of atmos- pheric air it is an operation which the accurate observer By being exposed to the atmosphere . T. C. may daily see manifested in almost every department of the ...
Page 71
... combustion is then carried on by means of a current of air passing through the furnace , and forcing the heat along with it . When the iron - stone is deemed sufficiently burnt , the re- gister is shut up ; and the combustion , no ...
... combustion is then carried on by means of a current of air passing through the furnace , and forcing the heat along with it . When the iron - stone is deemed sufficiently burnt , the re- gister is shut up ; and the combustion , no ...
Page 76
... combustion , it decomposes the air that maintains the combustion , and fixes one of its ele- ments in spite of the powerful affinity exerted upon it by the caloric ; and that by this process alone it increases its volume and weight ...
... combustion , it decomposes the air that maintains the combustion , and fixes one of its ele- ments in spite of the powerful affinity exerted upon it by the caloric ; and that by this process alone it increases its volume and weight ...
Page 82
... combustion to the sub - stratified coals . As this opera- tion could be conducted to a physical certainty by means of damping the furnace instantaneously , as soon as the va- pour , & c . had ceased , or as soon as complete ignition had ...
... combustion to the sub - stratified coals . As this opera- tion could be conducted to a physical certainty by means of damping the furnace instantaneously , as soon as the va- pour , & c . had ceased , or as soon as complete ignition had ...
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Common terms and phrases
appears argillaceous bar iron becomes blast blast-furnace blistered steel bottle button calcareous carbonat carbonic acid carburetted cast iron cast steel cent char charcoal clay coaks coal cokes colour combination combustion common contain cool crucible crude iron degree of heat diameter distillation earth effects England equal experiments exposed feet fire flame flavour fluid flux forge fracture fuel furnace fused fusibility fusion glass grains gypsum half hammer hardened Hence hydrogen inches iron-stone less lime limestone liquor magnesia malleable iron manufacture means melted metal method mixed mixture mould Mushet nearly obtained operation oxyd oxygen pieces pit-coal plants plates portion potash produce proportion pure quantity of carbon red heat require salt scoria silex smelting specific gravity stone substance sufficient sulphat sulphur surface temperature thick tilt hammer tion various vegetable vessel vitriol weight welding wine wood
Popular passages
Page 498 - Give strong drink unto him that is ready to perish, and wine unto those that be of heavy hearts. Let him drink and forget his poverty and remember his misery no more.
Page 486 - It ascends me into the brain ; dries me there all the foolish and dull and crudy vapours which environ it; makes it apprehensive, quick, forgetive, full of nimble, fiery, and delectable shapes; which delivered o'er to the voice, — the tongue, — which is the birth, becomes excellent wit.
Page 486 - A good sherrissack hath a twofold operation in it: it ascends me into the brain, dries me there all the foolish and dull and crudy vapours which environ it, makes it apprehensive, quick, forgetive, full of nimble, fiery and delectable shapes, which delivered o'er to the voice, the tongue, which is the birth, becomes excellent wit.
Page 112 - The heat which the oven acquires in the former operation is always sufficient of itself to light up the new charge ; the combustion of which is accelerated by the atmospheric air that rushes in through the joints of the loose bricks in the doorway. In two or three hours the combustion gets to such a height, that they find it necessary to check the influx of atmospheric air...
Page 113 - ... receptacle similar to a baker's oven, previously brought to a red heat. Here the door is constantly open, and the heat of the oven is sufficient to dissipate all the bitumen, of the coals, the disengagement of which is promoted by frequently stirring with a long iron rake.
Page 7 - ... employed in it, by all the ties of habit and of interest, to their own country ; while foreign trade tends to denationalize the affections of those whose property is dispersed in foreign countries, whose interests are connected with foreign interests, whose capital is but partially invested at the place of their domicil, and who can remove with comparative facility from one country to another. The wise man observed of old, that 'where the treasure is, there will the heart be also ;' and time...
Page 112 - Which is generally quite ofF in 12 hours more ; a few loose stones are then laid on the top of the chimney, and closely covered up with a thick bed of sand or earth. All connexion with the atmosphere is now cut off, and in this situation the whole remains for 12 hours, to complete the operation. The door-way is then opened, and the coaks are raked out into wheelbarrows, to be carted away.