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. The railroad and engineering journal . half), that its sole use in shipbuilding, engineering, and boiler-making is out of the question ; but the adoption of small per-centages, securing great economical results in inferior metals,may be said to have been practically realized. The more gen-eral adoption of aluminium alloys for propellers, bearings ofengines, etc., is also highly probable, seeing the increasingspeeds at which marine and other engines are driven, necessi-tating more reliable materials than those hitherto in use. Sim-ilarly its alloy ferro-aluminium in iron and steel manufacture
. The railroad and engineering journal . half), that its sole use in shipbuilding, engineering, and boiler-making is out of the question ; but the adoption of small per-centages, securing great economical results in inferior metals,may be said to have been practically realized. The more gen-eral adoption of aluminium alloys for propellers, bearings ofengines, etc., is also highly probable, seeing the increasingspeeds at which marine and other engines are driven, necessi-tating more reliable materials than those hitherto in use. Sim-ilarly its alloy ferro-aluminium in iron and steel manufacturemay be expected to exercise a useful function.— Thi NnulicalMagazine. A Nev? Method of Tempering Steel — A paper on thissubject was read before the London section of the Society ofChemical Industry by Mr. Watson Smith, Lecturer in ChemicalTechnology in University College, London. The new methodin question is the invention of Captain G. Keodossicff, of theImperial Russian Navy, St. Petersburg. Inspector of all metalsused in naval con
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887