The Practical Metal-workers' Assistant: ...: With the Application of the Art of Electro-metallurgy to Manufacturing Processes: ... |
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Page 36
... fire . The operation consists in spreading over a plane surface of ground billets of wood , or lumps of mineral coal , from six to eight inches thick , the interstices between the coarse fuel being filled up with chips of wood ...
... fire . The operation consists in spreading over a plane surface of ground billets of wood , or lumps of mineral coal , from six to eight inches thick , the interstices between the coarse fuel being filled up with chips of wood ...
Page 38
... fire , and deoxidizing materials , are those in which the sulphates of different metals are concerned . Sulphates differ merely from sulphides ( viewed as to their composition ) in the mere circumstance that the former contain oxygen ...
... fire , and deoxidizing materials , are those in which the sulphates of different metals are concerned . Sulphates differ merely from sulphides ( viewed as to their composition ) in the mere circumstance that the former contain oxygen ...
Page 40
... fire ; and we have assumed , as is most usual , that the object of furnace- heat shall be to reduce the material to the condition of fluidity . We might , therefore , at once , pursuing the thread of demonstra- tion , enter upon the ...
... fire ; and we have assumed , as is most usual , that the object of furnace- heat shall be to reduce the material to the condition of fluidity . We might , therefore , at once , pursuing the thread of demonstra- tion , enter upon the ...
Page 43
... fire from a mixture of the same with silica . ( chemically silicic acid ) , potash , or soda , or their respective car- bonates , would be had recourse to in preference to all others , if considerations of profit and loss did not ...
... fire from a mixture of the same with silica . ( chemically silicic acid ) , potash , or soda , or their respective car- bonates , would be had recourse to in preference to all others , if considerations of profit and loss did not ...
Page 51
... fire - balloon . Chimney - draught is a natural and very obvious consequence of the expansion of air by heat , to which our attention has been directed . The combustible materials cannot , as is well known , burn without the contact of ...
... fire - balloon . Chimney - draught is a natural and very obvious consequence of the expansion of air by heat , to which our attention has been directed . The combustible materials cannot , as is well known , burn without the contact of ...
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Common terms and phrases
acid alloy angle annealing antimony anvil applied battery Bismuth blows bolt brass carbon cast cast-iron centre charcoal chemical coating color cooling copper crucible cutter cyanide of potassium cylinder deposit diameter dissolved drill ductile edge electrotype employed Engineer fire forging furnace fusible gold grooves hammer hardened heat HENRY CAREY holes Idem inch iron lathe lead length less malleable mandrel manner manufacture medal melted metal metallurgy method mode mould nearly nitric acid operation ordinary oxide piece placed plaster of Paris plate platinum portion pound poured practice proportion punch quantity red heat removed rivets rollers round sal-ammoniac sand screw shears sheet side silver slide soft solder solution sometimes specific gravity speculum metal square steel sulphate sulphuric sulphuric acid surface swage temperature thick thin thread tion tool tube vessel welding wheels whilst wire wrought-iron zinc
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Page 685 - Practical Draughtsman's Book of Industrial Design, and Machinist's and Engineer's Drawing Companion: Forming a Complete Course of Mechanical Engineering and Architectural Drawing. From the French of M. Armengaud the elder, Prof, of Design in the Conservatoire of Arts and Industry, Paris, and MM.