The London journal of arts and sciences (and repertory of patent inventions) [afterw.] Newton's London journal of arts and sciences, Volumen 3William Newton 1822 |
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Página 28
... heat found in living vegetables has not been examined with that accuracy which could be desired . That a certain degree of heat above the freezing point does exist in most vegetable productions analogy and observation have in some sort ...
... heat found in living vegetables has not been examined with that accuracy which could be desired . That a certain degree of heat above the freezing point does exist in most vegetable productions analogy and observation have in some sort ...
Página 29
... heat after it had been there an hour , when not only communication with the external air must have been going on for that period , but when , perhaps , evaporation also from the hole might have taken place so as to prevent any accuracy ...
... heat after it had been there an hour , when not only communication with the external air must have been going on for that period , but when , perhaps , evaporation also from the hole might have taken place so as to prevent any accuracy ...
Página 45
... heat necessary to make the gas sufficiently hot to explode . To prove this , among other experiments , he prepared a lamp , sur- rounded with real white gauze which had been previously immersed in phosphate of ammonia , and afterwards ...
... heat necessary to make the gas sufficiently hot to explode . To prove this , among other experiments , he prepared a lamp , sur- rounded with real white gauze which had been previously immersed in phosphate of ammonia , and afterwards ...
Página 46
... heat , and as no explosion took place on its immersion into an explosive gaseous mixture , the actual reason why the wire gauze safety lamp prevents explosion , in explosive gaseous mixtures , is yet to be sought . Mr. Murray , however ...
... heat , and as no explosion took place on its immersion into an explosive gaseous mixture , the actual reason why the wire gauze safety lamp prevents explosion , in explosive gaseous mixtures , is yet to be sought . Mr. Murray , however ...
Página 53
... heat . This discovery opens an entirely new field which may possibly lead to interesting results . It may also among others , tend perhaps to explain the warmth of mines , which , according to M. Von Trebra and others , increases ...
... heat . This discovery opens an entirely new field which may possibly lead to interesting results . It may also among others , tend perhaps to explain the warmth of mines , which , according to M. Von Trebra and others , increases ...
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Pasajes populares
Página 146 - On a new species of Rhinoceros found in the interior of Africa, the Skull of which bears a close resemblance to that found in a fossil state in Siberia and other countries.
Página 255 - ... of water. These shelves are piled one over another in the chamber, to the height of five or six feet, cross-bars below each keeping them about an inch asunder, that the gas may have free room to circulate over the surface of the calcareous hydrate. The alembics for generating the chlorine, which are usually nearly spherical, are in some cases made entirely of lead, in others, of two hemispheres joined together in the middle, the upper hemisphere being lead, the under one, cast-iron. The first...
Página 292 - John Vallance, of Brighton, Sussex, brewer ; for a method and apparatus for freeing rooms and buildings (whether public or private) from the distressing heat sometimes experienced in them, and of keeping them constantly cool, or of a pleasant temperature, whether they are crowded to excess or empty, and also whether the weather be hot or cold.
Página 211 - The animals found in the cave agree in species with those that occur in the diluvian gravel of England, and of great part of the Northern hemisphere ; four of them, the hyaena, elephant, rhinoceros, and hippopotamus, belong to species that are now extinct, and to genera that live exclusively in warm climates, and which are found associated together only in the Southern portions of Africa near the Cape. It is certain from the evidence afforded by the interior of the den (which is of the same kind...
Página 216 - Provide pint or quart bottles, which must be perfectly clean, sweet and dry ; draw the milk from the cow into the bottles, and as they are filled, immediately cork them well up, and fasten the corks with pack-thread or wire. Then spread a little straw...
Página 132 - Mihi a docto doctore Domandatur causam et rationem quare Opium facit dormire. A quoi respondeo, Quia est in eo Virtus dormitiva, Cujus est natura Sensus assoupire.
Página 280 - View of the Progress of Architecture in England, from the Beginning of the Reign of Charles I., to the End of the Seventeenth Century ; and an Appendix of authentic Documents.
Página 263 - Universal Technological Dictionary, or Familiar Explanation of the Terms used in all Arts and Sciences; containing Definitions drawn from the original Writers and illustrated by Plates, Diagrams, Cuts, 4'c.
Página 258 - ... in each column. At the end of two days the distillation is intermitted, and the chamber is laid open. After two hours the workman enters, to introduce the alternate trays, covered with fresh hydrate of lime, and at the same time rakes up thoroughly the half-formed chloride in the others. The door is then secured, and the chamber, after being filled for two days more with chlorine, is again opened, to allow the first set of trays to be removed, and to be replaced by others containing fresh hydrate,...