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absorbed acre added admit adopted allowed alumina ammonia analysis applied authority average carbonate cent certain chemicals chloride clay closet cloth collected condition considered constituents containing cost Coventry crops daily deal deposit difficulty discharged doubt dried earth effected efficient effluent employed estimated excreta experiments fact farm filter filtration flow further gallons give given grains grass ground head Illustrated iron irrigation land less lime liquid London manure material means method Mineral mixed mixture natural nitrogen nuisance obtained organic matter pails passed phosphate phosphoric acid Pollution population potash practical precipitation pressed prevent produce quantity Raw sewage refuse regards removal reported river salts sewers sludge soil solid solution subsidence success sufficient suggested sulphate surface suspended matter taken tanks tion tons town treated treatment weight whilst worth
225 ページ - AXON, WEA The Mechanic's Friend. A Collection of Receipts and Practical Suggestions relating to Aquaria, Bronzing, Cements, Drawing, Dyes, Electricity, Gilding, Glass-working, Glues, Horology, Lacquers, Locomotives, Magnetism, Metal-working, Modelling, Photography, Pyrotechny, Railways, Solders, Steam-Engine, Telegraphy, Taxidermy, Varnishes, Waterproofing, and Miscellaneous Tools, Instruments, Machines, and Processes connected with the Chemical and Mechanic Arts.