The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould and Lincoln, 1867 - Industrial arts |
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Page xi
... rocks increases as we penetrate into the crust of the earth , and that some of our deep - seated minerals , as olivine , serpentine , etc. , are almost identical with meteoric constituents . When we consider that the exterior of the ...
... rocks increases as we penetrate into the crust of the earth , and that some of our deep - seated minerals , as olivine , serpentine , etc. , are almost identical with meteoric constituents . When we consider that the exterior of the ...
Page 32
... rock - boring machines in the Mont - Cenis Tunnel , before that work is completed , is about 1,600,000 . The total depth of all these holes when bored will amount to about 4,265 , - 890 feet , which is 105 times the length of the tunnel ...
... rock - boring machines in the Mont - Cenis Tunnel , before that work is completed , is about 1,600,000 . The total depth of all these holes when bored will amount to about 4,265 , - 890 feet , which is 105 times the length of the tunnel ...
Page 35
... Rock Creek bridge has a span of 200 feet , with two 48 - inch pipes ; the College Branch bridge has a span of 120 feet , with two 30 - inch pipes . The arch is so strong over the Rock Creek that a roadway is placed upon it , continuing ...
... Rock Creek bridge has a span of 200 feet , with two 48 - inch pipes ; the College Branch bridge has a span of 120 feet , with two 30 - inch pipes . The arch is so strong over the Rock Creek that a roadway is placed upon it , continuing ...
Page 64
... rock . This , if anything , would be expected to try chilled wheels ; yet they are regularly employed for the leading - wheels of passenger engines ; and breakages , although not absolutely unknown , are at least as infrequent as those ...
... rock . This , if anything , would be expected to try chilled wheels ; yet they are regularly employed for the leading - wheels of passenger engines ; and breakages , although not absolutely unknown , are at least as infrequent as those ...
Page 77
... rocks , and that crystals of it will cut glass as easily as the diamond . Jour . Soc . Arts , No. 685 , 1866 . SEPARATING PHOSPHORUS FROM METALS . It is well known that phosphorus is a substance which prevents the production of pure ...
... rocks , and that crystals of it will cut glass as easily as the diamond . Jour . Soc . Arts , No. 685 , 1866 . SEPARATING PHOSPHORUS FROM METALS . It is well known that phosphorus is a substance which prevents the production of pure ...
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acid action Albertite American amount aniline animal appears atmosphere bitumen body bolide bright lines cable carbonic carbonic acid cause centimetres chemical chloride cloth coal color combustion containing copper cylinder dark diameter distance earth effect electricity engine existence experiments exposed fact feet flame force furnace gaseous glass gun-cotton heat hundred hydrogen inches increase infusoria iron lake light magnesium mass material matter means meat mechanical metal metres miles minute muscle muscular nebula nitrate nitrogen nitroglycerine object observations obtained ordinary oxide oxygen ozone paper Parkesine phosphorus photographs plants plate portion potash pounds present produced Prof quantity rocks salt Science Scientific Scientific American shot silicate soda sodium sodium amalgam solar solution species spectra spectrum stars steam steel substance sulphate sulphur sulphuric acid surface telescope temperature tion tube tunnel vapor vessels weight zinc
Popular passages
Page 261 - a special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions of climate.
Page 303 - When the ether spray thus produced is directed upon the outer skin, the skin is rendered insensible within a minute; but the effects do not end here. So soon as the skin is divided, the ether begins to exert on the nervous filaments the double action of cold and of etherization : so that the narcotism can be extended deeply to any desired extent. Pure rectified ether used in this manner is entirely negative ; it causes no irritation, and may be applied to a deep wound, as I shall show, without any...