Mixed Metals: Or, Metallic AlloysMacmillan and Company, 1890 - 384 sider |
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Side vi
... impurities often produces a characteristic result , which may be a useful guide to the manufacturer in special cases , and assist him to determine the cause of those anomalies which are constantly occurring in practice . As many persons ...
... impurities often produces a characteristic result , which may be a useful guide to the manufacturer in special cases , and assist him to determine the cause of those anomalies which are constantly occurring in practice . As many persons ...
Side 6
... impurities , so that , in many cases , softness is a test of purity . All malleable metals become hardened by pressure , and often require annealing during the process of manufacture . The fractured surface of metals is often ...
... impurities , so that , in many cases , softness is a test of purity . All malleable metals become hardened by pressure , and often require annealing during the process of manufacture . The fractured surface of metals is often ...
Side 22
... impurities . When a bar of pure copper is freshly broken it exhibits a fibrous silky fracture , of a light salmon colour . It readily unites with oxygen at a red heat , forming one or both of the two oxides , known respectively as black ...
... impurities . When a bar of pure copper is freshly broken it exhibits a fibrous silky fracture , of a light salmon colour . It readily unites with oxygen at a red heat , forming one or both of the two oxides , known respectively as black ...
Side 23
... impurities are neutralised by the presence of a little oxygen . If the poling referred to above be continued too far , the neutralising oxygen is removed and the other impurities present act on the copper prejudicially , making it ...
... impurities are neutralised by the presence of a little oxygen . If the poling referred to above be continued too far , the neutralising oxygen is removed and the other impurities present act on the copper prejudicially , making it ...
Side 24
... impurities . Impure mercury , when exposed to air or oxygen , becomes coated with a gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with ...
... impurities . Impure mercury , when exposed to air or oxygen , becomes coated with a gray film , due to the oxidation of the impurities . At its boiling point mercury is slowly oxidised to mercuric oxide HgO . It combines directly with ...
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Vanlige uttrykk og setninger
acid added alloys containing aluminium amalgam annealing antimony arsenic bells bismuth brass Britannia metal brittle bronze cadmium carbon cast cast-iron cent copper cent of copper charcoal chemical choidal colour combination composition consists constituents cooling copper copper and tin crucible crystalline ductile elasticity employed Fcap following table fracture furnace fused fusible alloys German silver granular gray grayish Guettier gun-metal hammer hard harder impurities ingot iron lead liquid lustre malleable Mallet manganese manufacture melting point mercury mixed mixture molten metal mould nickel nitric acid obtained ordinary oxide oxidising oxygen phosphor-bronze phosphorus plate platinum polish poured powder prepared present produced Professor properties proportions pure readily red heat remelted resistance reverberatory furnace rolled sand silicate slag small quantity soft solder solidifying specific gravity square inch steel sulphide sulphur surface temperature tenacity thick Tombac toughness volatilised wire yellow zinc
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