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action alcohol alizarine American ammonia amount animals anthracene apparatus appears atmosphere beds Bessemer process body boiler British Association cable caisson carbonic acid cent centimetre centre Chassepot chemical chlorhydric acid chloride cloth Coccoliths color containing copper cylinder deposits depth diameter disease effect electric employed engine exist experiments fact farads feet fluid formation fossils furnace gases geological glacier gneiss heat hydrogen inches iron Lake light lime limestone liquid magnesium manganese manufacture mass material matter means metal method miles mixture nature observations obtained ordinary organic oxide oxygen paper pass phosphate phosphorus pipes placed plate portion potassium pounds present pressure prisms produced Prof Professor quantity river rocks salt side silicic silicic acid silicon sodium solution species specimens steam stone substance sulphuric acid surface temperature theory thickness tion tube vapor vessel weight White Nile whole wire zinc
Seite 182 - Report of the Commissioners appointed in 1868 to inquire into the best means of preventing the pollution of Rivers (Mersey and Ribble basins).
Seite 175 - USA, read a paper on this subject, of which the following is an abstract : — " Cast iron — the raw material from which the malleable metal is made — may be formulated approximately as follows : — Silicon (Si), 5 to 3 per cent. Phosphorus (P), 05 to 2 per cent. Manganese (Mn) , 0 to 20 per cent. Sulphur (S), 25 to 2 per cent. Carbon (C), 2 to 5 per cent. Iron (Fe), 90 to 9G.5 per cent.
Seite 254 - Spallanzani's experiment. The matters to be preserved are well boiled in a tin case provided with a small hole, and this hole is soldered up when all the air in the case has been replaced by steam. By this method they may be kept for years, without putrefying, fermenting or getting mouldy.
Seite 261 - There can be no reason, then, for doubting that, among insects, contagious and infectious diseases, of great malignity, are caused by minute organisms which are produced from preexisting germs, or by Homogenesis ; and there is no reason, that I know of, for believing that what happens in insects may not take place in the highest animals. Indeed there is already strong evidence that some diseases of an extremely malignant and fatal character to which man is subject are as much the work of minute organisms...