Journal, Volume 43, Issue 11893 - Iron Includes the institute's Proceedings. |
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alloys amount analyses anhydride anthracite basic Bessemer Bessemer process blast blast-furnace boiling bricks calcium calcium chloride carbon cast cent charge chemical chloride chromic acid chromium coal coalfield coke Colliery containing converter crucible cubic centimetres cupola deposits describes Description desulphurisation diameter dissolved district electric elongation employed experiments feet ferric ferrous fuel given grammes hæmatite heat hydrochloric acid hydrogen illustrations inches ingot Iron Age Iron and Steel Journal ladle lime machine magnesia manganese manufacture material melted metal method minutes mixture obtained open-hearth furnace oxide oxidised oxygen Paper read percentage permanganate phosphorus pig iron plate precipitate present production puddling furnace quantity rails reduced rolls samples Saniter seam shaft Siemens silica silicon Sir Lowthian Bell slag solution spiegeleisen Stahl und Eisen Steel Institute sulphate sulphide of iron sulphuric acid temperature tests thickness tons trace tuyeres weight Zeitschrift für Berg
Popular passages
Page 392 - ... Mesozoic formations. The first comprehensive account of glaciation in Siberia as a whole was published by Obruchev (1930), who believed that virtually the entire area north of 60° had been glaciated. During the next seven years intensive field work was conducted by Russian Pleistocene geologists, the results of which were published in the first volume of the Great Soviet Atlas (cf. Gorkin and others, 1937, PI. 90-B; compare Hobbs, 1946), which, with certain modifications, has been reproduced...
Page 444 - A certain place here is, where some begun • To try some Mettle, and have made it run, Wherein was Iron absolutely found, At once was known about some Forty Pound.
Page 149 - Dissolve in sulphuric acid (1 in 6), add permanganate, and boil till precipitate is black ; then dilute and make alkaline with caustic soda; filter wash, acidulate filtrate, and treat as before with the ferrous salt and potassium bichromate.
Page 320 - Paper read before the South Staffordshire Institute of Iron And Steel Works Managers, December 10, 1892.
Page 176 - Britain ; he was the senior member ol council of the Institution of Civil Engineers ; he was elected a member of the Royal Society in 1862, and had twice served on the council of that body.
Page 252 - Hall stated in a paper read before the North of England Institute of Mining and Mechanical Engineers that "flame traveled the length of the adit.
Page 452 - The Mineral Industry, its Statistics, Technology and Trade, in the United States and Other Countries, from the Earliest Times to the End of 1892.
Page 329 - On 3 January 1909 he reported to Lady Gregory, I have done a great deal to Deirdre since I saw you, — chiefly in the way of strengthening motives < motifs?) and recasting the general scenario — but there is still a good deal to be done with the dialogue, and some scenes in the first Act must be re-written to make them fit in with the new parts I have added. I only work a little every day as I suffer more than I like with indigestion and general uneasiness inside — I hope it is only because...
Page 80 - ... impurities, the balance being water. It is dried in rough iron dishes in a reverberatory furnace before use. In purifying the metal in the ladle, fluorspar is sometimes mixed with the calcium chloride to retard the process, and some limestone is used to save lime and produce a boil in the ladle. Fluorspar can also be used with the other ingredients, lime, limestone, and purple ore in the ladle, but the mixture is not quite so efficient as when calcium chloride is used. The pig iron used in these...
Page 178 - ... (d.) alteration of ferrous carbonate or sulphide into ferric oxide; 2. Change in the kind or quantity of other minerals ; (a.) substitution of iron oxide for some non-ferriferous mineral ; (b.) concentration by removal of the other constituents ; (c.) electro-telluric action.