The Practical Metal-workers' Assistant: ...: With the Application of the Art of Electro-metallurgy to Manufacturing Processes: ... |
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Results 1-5 of 81
Page 13
... pair of plates .. Best kind of zinc .... Amalgamation plates ..... 510 511 of the zinc 511 466 .... 512 513 Ramsden's screw - cutting engine ... 462 Clement's mode of originating the screw - guide ....... Chucking and reaming lathe ...
... pair of plates .. Best kind of zinc .... Amalgamation plates ..... 510 511 of the zinc 511 466 .... 512 513 Ramsden's screw - cutting engine ... 462 Clement's mode of originating the screw - guide ....... Chucking and reaming lathe ...
Page 70
... pair of tongs in the groove of the lower block , while the upper one falls upon it with such force as is necessary . By the use of these grooved surfaces , or suages , the ingot of metal is less liable to be crushed than when ham- mered ...
... pair of tongs in the groove of the lower block , while the upper one falls upon it with such force as is necessary . By the use of these grooved surfaces , or suages , the ingot of metal is less liable to be crushed than when ham- mered ...
Page 80
... pair is used exclusively for each form of iron re- quired ; although in the imaginary sketch , Fig . 27 , it is supposed that the shaded portion represents the upper edge of the bottom roll ; and that the top roll , which is not drawn ...
... pair is used exclusively for each form of iron re- quired ; although in the imaginary sketch , Fig . 27 , it is supposed that the shaded portion represents the upper edge of the bottom roll ; and that the top roll , which is not drawn ...
Page 81
... pair will have a series of angular grooves for square iron , gradually less and less , as a , b , c , Fig . 27 , so that the bar may be rapidly reduced without the necessity for altering the adjustment of the rolls , which would lose ...
... pair will have a series of angular grooves for square iron , gradually less and less , as a , b , c , Fig . 27 , so that the bar may be rapidly reduced without the necessity for altering the adjustment of the rolls , which would lose ...
Page 91
... pairs ; these may be considered as reduced copies of the grooves turned in the rollers , and occasionally made on the faces of the tilt - hammers of the iron - works for the production of square , flat , round , T form iron , angle iron ...
... pairs ; these may be considered as reduced copies of the grooves turned in the rollers , and occasionally made on the faces of the tilt - hammers of the iron - works for the production of square , flat , round , T form iron , angle iron ...
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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
Popular passages
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.