Earth and Rock Excavation: A Practical TreatiseVan Nostrand, 1905 - 357 páginas |
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Alternate Current amount Arthur Morris axis beam blasting boiler boom bucket built cable cableways calculating canal capacity carriage carriers carts chain Charles Salter cloth construction contractors convenient cost cross-sections cubic yard cuts and fills Decauville derrick diagrams distance of hauling drill drum dumping earth earthwork efficiency Electrical embankment employed engine excavated materials explosion figures folding plates frame front grade ground-surface Handbook handle hauling-rope hoisting hoisting-rope holes horizontal horses illus illustrated incline industrial railways iron Lidgerwood load locomotive machine manner Manufacture mast means method morocco nitroglycerine operated Panama Canal placed plane platform plow Practical Treatise Prof quantity removed reversible engine revised and enlarged road rock scrapers Second Edition shaft sheaves shovel side soil spoil-banks Steam steam-shovel steel surface tables telpher telpherage tion track trackway transportation trench truck turntable unit of volume unloading usually various vertical wagons weight wheelbarrows wheels wire rope
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