The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General Literature, 10. köideThomas Spencer Baynes C. Scribner's Sons, 1879 |
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Page 90
... pressure as it rises in pipes , which pressure facilitates its distribution , and it is much easier to control than to beget pressure . In the planning of works , regard must be given to economy of space and to labour - saving ...
... pressure as it rises in pipes , which pressure facilitates its distribution , and it is much easier to control than to beget pressure . In the planning of works , regard must be given to economy of space and to labour - saving ...
Page 93
... pressure in the retort equal to the 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 ...
... pressure in the retort equal to the 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 ...
Page 95
... pressure to which it would otherwise be subjected . They are now made so light that they require to be loaded - in order to supply the required pressure , and. GAS 95.
... pressure to which it would otherwise be subjected . They are now made so light that they require to be loaded - in order to supply the required pressure , and. GAS 95.
Page 96
... pressure of the gas , along its whole course from the gas - holder to the point of consumption , is an object of great importance for the avoiding of leakage , for equal distribution , and for supply- ing the burners at that pressure ...
... pressure of the gas , along its whole course from the gas - holder to the point of consumption , is an object of great importance for the avoiding of leakage , for equal distribution , and for supply- ing the burners at that pressure ...
Page 97
... pressure at the burners should be always in- variably the same . That pressure is liable , however , to variation from a number of causes , such as fluctuation in the number of lights in use , either in the house or in the neighbourhood ...
... pressure at the burners should be always in- variably the same . That pressure is liable , however , to variation from a number of causes , such as fluctuation in the number of lights in use , either in the house or in the neighbourhood ...
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abundant acid ancient angle appear augite axis basalt beds carbonic carbonic acid centre century character chemical coal coast cone consists contains crust crystalline crystals deposit distance district earth equator eruption existence feet felspar fissures formations fossils Gaelic Galatia gallic acid galls galvanometer Gaur gelatin gems geological globe gneiss granite Greek heat hornblende igneous igneous rocks important iron islands known lake land latitude lava less lime limestone longitude mass materials 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 specific gravity square miles stones strata stream structure substance surface temperature thickness tion town traced upper vapour vertical volcanic voyage whole