The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 17Gould, Kendall, and Lincoln, 1867 |
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Pagina 36
... ordinary boiler - plate girders constituting the former , and the lat- ter being of wrought - iron on the lattice principle . The piers and abutments were of solid ashlar masonry , and the works were ar- ranged for a single line of ...
... ordinary boiler - plate girders constituting the former , and the lat- ter being of wrought - iron on the lattice principle . The piers and abutments were of solid ashlar masonry , and the works were ar- ranged for a single line of ...
Pagina 37
... ordinary concrete foundation is first laid , and upon the foundation horizontal frames , constructed of boards lined with zinc or other metal , are set up on edge , so as to form a kind of trough for receiving the concrete . By the ...
... ordinary concrete foundation is first laid , and upon the foundation horizontal frames , constructed of boards lined with zinc or other metal , are set up on edge , so as to form a kind of trough for receiving the concrete . By the ...
Pagina 39
... ordinary bottles stuck upon the wall resisted all attempts at separation , till the stone yielded . Champagne bottles , cemented bottom to bot- tom , sustained a weight of 250 pounds . Two bricks remained joined under a tension of 325 ...
... ordinary bottles stuck upon the wall resisted all attempts at separation , till the stone yielded . Champagne bottles , cemented bottom to bot- tom , sustained a weight of 250 pounds . Two bricks remained joined under a tension of 325 ...
Pagina 47
... ordinary quartz , in pieces from three or four inches in diameter , to coarse gravel size , in twenty - four hours . It has reduced eighteen tons of quartz into gravel , in one hour , through three - quarter - inch holes . The broken ...
... ordinary quartz , in pieces from three or four inches in diameter , to coarse gravel size , in twenty - four hours . It has reduced eighteen tons of quartz into gravel , in one hour , through three - quarter - inch holes . The broken ...
Pagina 48
... ordinary practice , but one element of an ore- that of most prominent value . - is sought for ; the other elements being re- jected in slags or escaping in fumes from the furnaces . Refer- ence may be had to the loss of iron and sulphur ...
... ordinary practice , but one element of an ore- that of most prominent value . - is sought for ; the other elements being re- jected in slags or escaping in fumes from the furnaces . Refer- ence may be had to the loss of iron and sulphur ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
Veelvoorkomende woorden en zinsdelen
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
Populaire passages
Pagina 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...
Pagina 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.
Pagina 199 - For the sick-room, free ventilation, when it can be secured, together with an even temperature, is all that can be required. " 2. For rapid deodorization and disinfection, chlorine is the most effective agent known. "3. For steady and continuous effect ozone is the best agent known. "4, In the absence of ozone, iodine exposed, in the solid form, to the air is the best.
Pagina 344 - They may be gaseous nebulae, which by the loss of heat or the influence of other forces have become crowded with portions of matter in a more condensed and opaque condition. 6. If the observations of Lord...
Pagina 20 - I sat in the electricians' room, a flash of light came up from the deep, which having crossed to Ireland, came back to me in mid-ocean, telling that those so dear to me, whom I had left on the banks of the Hudson, were well, and following us with their wishes and their prayers. (Applause.) This was like a whisper of God from the sea, bidding me keep heart and hope.