... HARDENING ACID BESSEMER PROCESS TRANSVERSE 60 CORRESPONDENCE OSNTEEL RAILS. [Minutes of &lrF.raser. Correspondence. Mr. W. A. FRASErRemarked thatthePaper led tothe general conclusion that the usual specifications and tests were not sufficient t o produce the hardest-wearingrails unless special...

... concrete to carry these loads. The process advocated here is therefore the inverse of the usual method, since the stress-distributions a t a section actuallyfound fromthe applied loads are used asa basis of any subsequent calculations required. Fig. 9. The practical effect of this reverse step is therefore...

... OF HEALTH BIOAERATION BIOLOGICAL AERATION SEWAGE PURIFICATION FILTERS BEDS APPARATUS AIR REQUIREMENTS OXYGEN DEMAND SLUDGE TANKS DESIGN TREATMENT ACTIVATED BUBBLES PUMPS CHEMICAL PROCESS EFFLUENT AGITATION MOISTURE COMPRESSED MIXING ECONOMY SHEFFIELD UK...

... appeared t o be more or less st,andardized. It had been shown that the puri- fication ofsewageis essentially a series of biological operations, bound up &h the life processes of certain micro-organisms ; and the immediateobject of sewage-purification works was to furnish conditions favourableto thegrowth...

...F W JAMESON © Thomas Telford and ICE 1923 MESSRS TRAVIS & IMHOFF MESSRS WATSON & O'SHAUGHNESSY SEWAGE DISPOSAL SLUDGE TREATMENT SEPTIC TANKS TRAVIS PROCESS LIQUEFACTION LAND DESIGN SEDIMENTATION SOLIDS LIQUIDS SEPARATION OUTFALLS WORKS ANALYSIS GRIT...

.... (Paper No. 43 G 1.) '' The Improvement of the Water-Supply t o the City of Hobart, Tasmania; and the Manufacture of ReinforcedConcrete Pipes by the Centrifugal Process By the late Joxx CLARKROW,M. Inst. C.E. WATER-SUPPLY. TREcity of Hobart is situated in the south-eastern parotf Tasmania, at thebase...

..., but a process withpossibilities of development as a laboursaving device in engineering and shipbuilding industries. It was evident that the retarded expansion of the application of electric welding was due to thefollowing reasons :- ( l ) A shortage of reliableup-to-dateinformationfromdisinterested sources. ( 2...

...N REID © Thomas Telford and ICE 1911 PROCESS METALLURGY COPPER BESSEMER CONVERTERS ORES APPLICATIONS METALS SMELTING Papers.] 1iEID ON THE METALLURGY OF COPPER. 379 (Paper No. 39 19.) Notes on the Best Selected Process in the Metallurgy of Copper, andanApplication...

...A FOX(JUNIOR) © Thomas Telford and ICE 1906 PROCESS REDUCTION SILVER ORES TREATMENT MILLS BATTERIES STAMPS FURNACES MACHINERY FILTERS AMALGAMATION CAYLLOMA PERU 324 FOX ON THEFRANCKE-TINd PROCESS [Selected (Paper No. 35 71.) '' The Francke-Tina Prooese...

...J MANSERGH; B BLOUNT; F A WHITE; V DE MICHELE; L B ATKINSON; G R REDGRAVE; W GILBERT; W L H ROBERTS; H J HARDING; R E ELLIS; W F REID; D B BUTLER; J F PLAISTER; L WHITE; W H STANGER UK USA UNITED STATES © Thomas Telford and ICE 1901 ROTATORY PROCESS CEMENT MANUFACTURE KILNS...

...W H STANGER © Thomas Telford and ICE 1901 ROTATORY CEMENT MANUFACTURE PROCESS KILNS PORTLAND BRICKS CLINKER FUEL ECONOMICS BURNING HEAT LININGS BRICKS ANALYSIS TESTS COSTS MANUFACTURING UK USA UNITED STATES 44 STANGER AND BLOUNTON TEE ROTATORY PROCIEM [Minutes...

...E CANDLOT; A E CAREY; C ERITH; W F GOREHAM; W HEWITT; W F C HILL; J HOLLICK; H LE CHATELIER; E MACOIR; W MATTHEWS; W MICHAELIS; J S RIGBY; F SCHIELE; W H SIMMONS; C SPACKMAN; W STOKES; B H THWAITE © Thomas Telford and ICE 1901 ROTATORY PROCESS CEMENT PRODUCTION BURNING FUEL...

...W C R AUSTEN © Thomas Telford and ICE 1899 EXTRACTION NICKEL ORES PROCESS METALLURGY ANALYSIS WORKS CARBON MONOXIDE CARBON BESSEMER MATTE COPPER METALS SMETHWICK CANADA Proceedings.] ROBERTS-AUSTEN OX THEXTRACTION OF NICKEL. 29 6 November, 1898. WILLIAN HENRY...

...T GIBB © Thomas Telford and ICE 1899 EXTRACTION NICKEL ORES PROCESS METALLURGY METALS 56 DISCUSSION ON THE EXTRACTION OF NICKEL. [lfinutes Of Sir Frederick metallic state and had been fused ; in other words, what was the Brammell. ordinarymelting-point of nickel ? Dr. Blond. Dr...

... be carried with acclamation, a vote of thanks to the Authorfor the extremelyclear and able way in which he had brought before the members a process that appeared to be new from beginning to end. I t was one which they would watch with great interest and hope to have further light hrown upon. Tomany...

...P FRANKLAND © Thomas Telford and ICE 1897 BACTERIA PURIFICATION WATER BACTERIAL NATURAL RIVERS SUN LIGHT SEDIMENTATION DILUTION FILTRATION ARTIFICIAL STORAGE MICROORGANISMS SAND SLIME TEMPERATURE ANALYSIS REGULATIONS BACTERIOLOGY PROCESS ALGAE CHEMICALS OXIDATION...

...SIR B BAKER; J H CLEMES; D C L N FOSTER; W C R AUSTEN; B KITTO; A K BARNETT; B BLOUNT; J H CLEMES; C E COURTNEY; J MCKILLOP © Thomas Telford and ICE 1896 SILVER COPPER TIN SMELTING MINING METHODS ORES FURNACES TREATMENT SLAG LIXIVIATION PROCESS MINES METALS MINERALS...

...J MCKILLOP; T E ELLIS © Thomas Telford and ICE 1896 TIN SMELTING WORKS IMPURITIES ROASTING FURNACES METALLURGY REFINING REFINERIES BEDS LININGS PROCESS SLAG PULO BRANI SINGAPORE SINGAPORE MALAYA ASIA Proceedings.] McKILLOP ANEDLLIS OTNIN-SMELTING. 145 (Paper...

...J H CLEMES © Thomas Telford and ICE 1896 LIXIVIATION SILVER ORES EXTRACTION PLANT MACHINERY GRINDING FURNACES LEACHING CHLORINATION ROASTING PRECIPITATION TREATMENT SULPHIDES COSTS PROCESS MINES PULVERISATION CRUSHING SALT MINERALS LOSS VATS CALCIUM METALS...

..., and the ease with which this by-productcanbe eliminated,but also on account of its com- parative cheapness, and the facility with which a high degree of purity can be attained in its manufacture on a commercial scale. This can be accomplished by processes that are strictly chemical i n character, and which lie...