... thickconstructed in 1 : 3&mass concrete. A steel cutting-edge, or curb, 5 feet deep constructed of steel plates, suitably braced, was fittedto each caisson and incorporatedin the concrete of the outside walls and division-walls. CONSTRUCTION. Preliminary Operations.-After consultation with Sir Malcolm Watson, M.D...

... acapacity of 15 cwt. to 1 ton of coal. The coal face, in most cases, is cut by mechanical cutters, driven electrically or by compressed air, and thecoal so got is conveyed from the face to the haulage stationby travellingbeltsinstead of by ponies. The output a t some large collieries is as much as 4,000...

... cutting edge, the rim of the concrete being 6 inches wide, but it would be quite easy to make a cutting edge by having a circular angle-iron underneath the concrete. That, however, he thought, was un- necessary, as in his experience the ease or difficulty of sinking a well was governed not so much...

... PRESSURE ALLOYS STEEL ALUMINIUM MAGNESIUM POWER PRODUCTION FLUES CLEANING BOILERS METALLURGY ELECTRICAL TRANSMISSION POWER INSULATORS CONDUCTORS CARBONISATION CARBIDES CUTTING TOOLS MATERIALS hEIxItereating.l APPLICATION OF CHEMISTRY TO ENGINEERING. 429 EXTRA MEETING. 2 May, 1933...

...E A CULLEN IMPROVEMENT RIVERS HISTORY TRAINING WALLS DREDGING BARS CUTTING REMOVAL ROCKS RECLAMATION BANKS REVETMENTS FLOODS NAVIGATION LIGHTHOUSES LAND ADMINISTRATION REVENUE BRISBANE RIVER QUEENSLAND AUSTRALIA 278 CULLEN ONIMPROVEMENT OF THE UKISCANE RIVEK...

...F W A HANDMAN © Thomas Telford and ICE 1921 LEOPOLDINA RAILWAY RECONSTRUCTION VIADUCTS RAILWAYS STRENGTHENING TRESTLES SPANS SUBSTITUTION HYDRAULIC OXYACETYLENE APPARATUS CUTTING STEEL CRIBS BRAZIL SOUTH AMERICA Proceedings.] HANDMAN ON RECONSTRUCTION...

...W BROWN INDIA SOUTH AFRICA NIGERIA BURMA PANAMA BOMBAY DURBAN LAGOS RANGOON PANAMA CANAL DREDGING MACHINERY DREDGERS PLANT EQUIPMENT BUCKETS SUCTION CUTTERS DRAG MOORED DIPPERS VESSELS SHIPS PORTS CLAYS RECLAMATION CUTTING BOATS SOLIDS REMOVAL PUMPS...

...W H MAW © Thomas Telford and ICE 1903 ENGINEERING PROBLEMS GENERATION POWER ECONOMICS STEAM ENGINES SUPERHEATING INTERNAL COMBUSTION GAS EFFICIENCY RESISTANCE STRESS MATERIALS STEEL ALLOYS IRON NICKEL TOOLS CUTTING 238 MAW ON SOME PROBLEMS IN ENGINEERING. [Extra...

...O GUTTMANN © Thomas Telford and ICE 1901 MACHINERY MACHINES MANUFACTURE POWDERS EXPLOSIVES GUN COTTON TNT TRINITROTOLUENE TRINITROCELLULOSE CENTRIFUGAL ACID EXTRACTION CUTTING PRESSES NITRATION GLYCERINE MIXTURES PLANT Proceedings.] GUTTMANN ON MAUHINERY FOR SMOKELESS...

...E K SCOTT COAL CUTTING MACHINERY MACHINES MINING GEARING UNDERCUTTING ELECTRIC CABLES ELECTRICITY SAFETY PNEUMATIC MOTORS LONGWALL MINES CUTTERS PERCUSSION USA UK UNITED STATES © Thomas Telford and ICE 1901 Papers.) SOOTT ON COAL-CUTTING. BY XAUHINERY. 247 (Paper...

...H S CHILDE © Thomas Telford and ICE 1899 ELECTRICITY STEAM COMPRESSED AIR MINING HAULING COAL CUTTING PUMPING UNDERGROUND 432 IRVINE ON CtOLD-MININ(3.. and to requirelessattention thanexisting makes. I n dealing with the tailings, great difficulty was and is experienced...

...J N BUCKLEY; T GILLOTT; H DAVIS; C W HILL; J A LONGDEN; H F RANDOLPH; N F SANFORD; E TREPTOW; S F WALKER; F C WHITMORE; GRESLEY ELECTRIC ELECTRICITY COAL MINING PLANT COSTS HAULAGE ROPES PUMPS PUMPING MACHINERY CUTTING MACHINES COMMUTATORS MOTORS DISTRIBUTION SPARKING POWER...

...W S GRESLEY © Thomas Telford and ICE 1898 ELECTRIC COAL MINING PLANT ELECTRICITY POWER STATIONS MACHINERY ENGINES TRANSMISSION DISTRIBUTION MINES WORKING LOADS CUTTING VENTILATION HAULAGE POWER PUMPS FANS COLLIERIES PENNSYLVANIA SCOTT HAVEN USA UNITED...

...O GUTTMAN DANUBE HUNGARY EUROPE IRON GATES RIVERS RAPIDS TRAINING WALLS REMOVAL ROCKS BLASTING CHANNELS CUTTING MACHINERY DREDGERS DREDGING OBSTRUCTIONS NAVIGATION WATERWAYS REGULATION WORKS CUTTERS STONE BARGES BOREHOLES © Thomas Telford and ICE 1895...

...C H L KUHL © Thomas Telford and ICE 1895 COSTS DREDGING RIVERS DREDGERS SHIPS VESSELS ECONOMICS HOPPERS BARGES CUTS CUTTING DANUBE ROMANIA RUMANIA EUROPE 228 K ~ H LON DREDGING IN THE LOWER DANUBE. [Selected (Paper No. ZS55.) Cost of Dredging in the Lower...

...G FOWLER; H W HUGHES; W O ROOPER; A L STEAVENSON; A H STOKES; L B ATKINSON; C W ATKINSON ELECTRIC MINING MACHINERY APPLICATIONS ELECTRICITY COAL CUTTING PUMPING ROCKS DRILLING COSTS ECONOMICS ROPES FRICTION MINES MOTORS GAS EXPLOSIONS TRANSMISSION POWER SAFETY SPARKING...

... Thomas Telford and ICE 1891 ELECTRIC MINING MACHINERY APPLICATIONS ELECTRICITY COAL CUTTING PUMPING ROCKS DRILLING POWER MINES PLANT AIR GAS CUTTERS COLLIERIES FUEL COMPRESSED AIR PUMPS ENGINES SAFETY EXPLOSIONS PERCUSSIVE TRANSMISSION ENERGY ROCKS DRILLS COMPRESSORS...

..., A.E.C., Assoc. MM. Inst. C.E. THEemployment of electricity i n mines for pumping, hauling and coal-cutting, is a subject which has already received some attention in Papers read at the meetings of the more strictly mining Institutions. The Authors have been, during the last four years, constantly...

... rate.The speed andrate of feed experimented on were the greatest generallyused in the shop, and the experimentsshowed that about $ HP. was the maximum power required to drive a $-inch drill when it was fairly sharp, cutting in Bessemer steel at the rateof about 2 inch a minute. The speed chosen...

...F LOBNITZ © Thomas Telford and ICE 1889 REMOVAL ROCKS UNDERWATER CUTTERS RAMS CUTTING DREDGING DREDGERS CANALS SUBAQUEOUS EXCAVATING MACHINERY SHIPS COSTS SUEZ EGYPT AFRICA MIDDLE EAST Papers.] LOBNITZ ON REMOVAL OF ROCK UNDER WATER.. 369 (Paper No. 2377...