... attention were given, answered very well. The stoking was done, ON THE CONBUSTION OF REFUSE VEGETABLE SUBSTANCES. 101 with a bushel basket. The silica sometimes collected to the thick- ness of G inches on the bars, a t others of 1 inch. I n some large saw-mills he had erected for Messrs. J. Dowson...

...J HEAD ON THE CONBUSTION OF REFUSEVEGETABLE SUBSTANCES. 75. January 30,1877. GEORGE BOBERT STEPHENSON,President, in the Chair. NO. 1,504 On the Combustion of Refuse Vegetable Substances, such as Straw, Reeds, Cotton Stalks, Brushwood, Megass, &C., under Steam Boilers. By JOHNHEADA, ssoc. Inst...

...E BYRNE WATER FILTRATION EXPERIMENTS REMOVAL ORGANIC INORGANIC SUBSTANCES FILTERS CHARCOAL PURIFICATION IMPURITIES THE INSTITUTION OF CIVIL ENGINEERS. SESSION 1867-68. November 12, 1867. JOHN FOWLER, President, in the Chair. No. 1,183 (Supplement). - ('Experiments on the Removal...

... else in its place. H e need hardly say, that when anything was taken out of solution, as a rule,something else had to be supplied to fill up, as it were, the space previously occupied by the substance taken out. H e did notsay this was strictly so inall possible cases, but it was a practical axiom...

...E BYRNE © Thomas Telford and ICE 1867 DUBLIN GOVERNMENT SCHOOL OF SCIENCE WATER REMOVAL ORGANIC PURIFICATION WATER SUPPLY CHARCOAL BOGS FILTRATION WELLS OXIDATION ANIMALS VEGETABLES WOOD PEAT INORGANIC SUBSTANCES EXPERIMENTS LABORATORIES FILTERS DUBLIN...

... only be used in connexion UK LONDON CORROSION SUBSTANCES ACID SULPHURIC ATMOSPHERIC IRON STONE ATMOSPHERE COAL POLLUTION © Thomas Telford and ICE 1839 ...

...H GUY; B DONKIN © Thomas Telford and ICE 1837 BALLS SPHERICAL FIGURES METALS GLASS AGATE HARD SUBSTANCES FORMS GRINDING LATHES 22 boats completed the distance from New York to Albany, mhich was not less than 150 miles, inten hours. The speed of these boats, as compared...