... i n the tunnel was generally satisfactory, and only nine cases of caisson-sickness occurred i n all, mostly trivial i n character andcaused by indiscretion on the part of the sufferers. The Author was instructedbythe Chief Engineertoinquire into thepossibility of purifying the air in the tunnel...

... WASHERS PURIFIERS HOLLOWAY ENGLAND UK 324 BALL ON THE MANUFACTURE O F OIL-GAS. [Selected (Students Paper, No. 304.) .The Manufacture of Oil-Gas at the Holloway Works of the Great Northern Railway Company. By JIMESBENJAMIBNILL, Stud. Inst. C.E. THEmanufacture of oil-gas...

... had the honour of bringing under the notice of the Institution an adaptation of Professor Bischof s method of purifying water on a large scale by filtering it through a mixturc of spongy iron and gravel. The operation of the process, as far as the effect upon the waterwas concerned, left nothing tobe...

...;and was continued in use there until the new revolving purifier was introduced a short timeago, on increased quantities of water being required by the town. The difficulty experienced i n mere filtra- tion througha bed of iron, is in a great measure a financial one. A 286 OGSTON ON THE PURIFICATION O F WATER...

...W P BAKER © Thomas Telford and ICE 1882 GRINDING WHEAT CORN MILLS MACHINES MACHINERY MILLING FLOUR CLEANING SEPARATION ROLLERS DRESSING PURIFICATION PURIFIERS MILLSTONES 162 BAKER ON GRINDING WHEAT. minutes of 16 May, 1882. Sir F. J. BRAMWELL, F.R.S., Vice-President...

...H E JONES © Thomas Telford and ICE 1880 LONDON COMMERCIAL GAS COMPANY GAS PURIFICATION SULPHUR IMPURITIES LIME TESTS PURIFIERS CARBONIC ACID HYDROGEN SULPHIDES CONDENSATION NAPHTHA CONDENSERS AMMONIA SCRUBBERS OXIDES IRON METHODS GASWORKS COLOURS REMOVAL...

... LIME PURIFIERS GASWORKS SULPHIDES REMOVAL CALCIUM NAPHTHA TEMPERATURE COLOURS 28 DISCUSSION ON THE PURIFICATION O F GAS. [Minutes Of Discussion. Xr. Jones. Mr. H. E. JONEwSishetdaodtdhahthealdately been struckbyananalogywhichmany members, especially those connected with London gas companies...

... purifiers. The tests varied from 12 to 16 grains per 100 cubic feet. The washer and scrubber, however, were very effective, and removed a large quantity of carbonic acid and sulphuretted hydrogen. He also made strong liquor, of 14- to 16-OZ.strength,and found from experiments that such liquor contained...

...J B PADDON © Thomas Telford and ICE 1874 GASWORKS GAS WORKS RETORT HOUSES RETORTS ENGINES BOILERS CONDENSERS SCRUBBERS PURIFIERS PURIFICATION TIMBER PORTSLADE BRIGHTON SUSSEX UK 316 THE PORTSLADE GAS-WORKS. February 3, 1874. THOMAS E. HARRISON, President...

...J B PADDON; BAZALGETTE; H E JONES; H BROTHERS; R HARRIS; WOODALL; H P STEPHENSON; J CHURCH; A F WILSON; H FINLAY; J G C GODSMAN; J AIRD © Thomas Telford and ICE 1874 GASWORKS GAS WORKS SCRUBBERS RETORT HOUSES RETORTS ROOFS PURIFICATION PURIFIERS TIMBER PORTSLADE BRIGHTON...

...G LOWE; GRAHAM; J BETHELL; J SIMPSON; A MURRAY; J FAREY; J T COOPER; J WALKER © Thomas Telford and ICE 1844 GAS COAL PURIFICATION AGRICULTURE REMOVAL AMMONIA LIME HYDROGEN PURIFIERS PIPES LEAKAGE METALS IRON CAST 30 l and outlet pipes for the gas ; as well as showing...