The Encyclopaedia Britannica: A Dictionary of Arts, Sciences and General Literature, 10. köideThomas Spencer Baynes, William Robertson Smith R.S. Peale, 1890 |
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Page 87
... amount of heat , without thereby giving rise to any chemical change . The materials whence artificial light of the nature of flame has been derived are principally bodies rich in carbon and hydrogen . Wax , fats , and oils , on exposure ...
... amount of heat , without thereby giving rise to any chemical change . The materials whence artificial light of the nature of flame has been derived are principally bodies rich in carbon and hydrogen . Wax , fats , and oils , on exposure ...
Page 89
... amount of ash should be small , and the proportion of oxygen should also be low , since that ele- ment abstracts hydrogen to form injurious watery vapour . The amount of ash present , however , in the best forms of Scotch cannel is ...
... amount of ash should be small , and the proportion of oxygen should also be low , since that ele- ment abstracts hydrogen to form injurious watery vapour . The amount of ash present , however , in the best forms of Scotch cannel is ...
Page 90
... amount consumed , and the burners and other arrangements for lighting are the most important considerations . அப் Site and Arrangement of Works . - The choice of a site for a gas establishment is necessarily conditioned by local ...
... amount consumed , and the burners and other arrangements for lighting are the most important considerations . அப் Site and Arrangement of Works . - The choice of a site for a gas establishment is necessarily conditioned by local ...
Page 91
... amount of direct play on the retorts . The number of retorts to one furnace varies from 1 to 15 , from 4 to 7 being the number most commonly adopted ; and these are variously arranged to bring them all as close to the furnace heat as ...
... amount of direct play on the retorts . The number of retorts to one furnace varies from 1 to 15 , from 4 to 7 being the number most commonly adopted ; and these are variously arranged to bring them all as close to the furnace heat as ...
Page 93
... amount of the resistance the gas meets with in its onward pro- gress . The relief of this back pressure not only improves the quality of the gas , but also increases its amount by about 10 per cent . Among the numerous methods of ...
... amount of the resistance the gas meets with in its onward pro- gress . The relief of this back pressure not only improves the quality of the gas , but also increases its amount by about 10 per cent . Among the numerous methods of ...
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abundant acid ancient angle appear augite axis basalt beds brachiopods carbonic carbonic acid centre century character chemical coal coast consists contains crust crystalline crystals deposit depth distance district earth equator eruption evidence existence feet felspar formations fossils Gaelic Galatia gallic acid galls galvanometer Gaur gelatin gems geological globe gneiss granite heat hornblende igneous igneous rocks important iron islands known lake land latitude lava less lime limestone longitude mass materials matter meridian metamorphic miles mineral mountain observed obtained occur ocean organic original orthoclase parallel Paris passing period plane portion present pressure produced quartz regions remains rise river rocks Roman round sand sandstone schists Scotland sediment shales side siliceous Silurian sometimes species square miles stones strata stream structure substance surface temperature thick tion town traced trilobites upper vapour vertical volcanic voyage whole