James Smithson and His BequestSmithsonian institution, 1880 - 68 oldal |
Részletek a könyvből
1 - 5 találat összesen 16 találatból.
57. oldal
... sulphuric acid , muriatic acid , and acetous acid . It lost by heat rather more than one - fourth of its weight . It afforded oxide of zinc , carbonic acid , and water , in the proportion of 714 , 135 , and 151 ; there was besides found ...
... sulphuric acid , muriatic acid , and acetous acid . It lost by heat rather more than one - fourth of its weight . It afforded oxide of zinc , carbonic acid , and water , in the proportion of 714 , 135 , and 151 ; there was besides found ...
58. oldal
... sulphuric acid and oxide of zinc . In reasoning generally upon the constitution of salts of zinc , Mr. Smith- son offers some new observations in relation to affinity ; and he thinks that the proximate constituent parts of bodies are ...
... sulphuric acid and oxide of zinc . In reasoning generally upon the constitution of salts of zinc , Mr. Smith- son offers some new observations in relation to affinity ; and he thinks that the proximate constituent parts of bodies are ...
59. oldal
... sulphuric acid into a tincture of turnsol , then added chalk , and heated ; and the blue colour was restored . It appears , therefore , that the natural colour of turnsol is not red , but blue , since it is such when neither disengaged ...
... sulphuric acid into a tincture of turnsol , then added chalk , and heated ; and the blue colour was restored . It appears , therefore , that the natural colour of turnsol is not red , but blue , since it is such when neither disengaged ...
61. oldal
... sulphuric acid extracted a strong yellow tinc- ture from this boiled paper : carbonate of lime put to this yellow tincture made it blue ; but on filtering , the liquor which passed was of a dirty greenish colour ; and sulphuric acid did ...
... sulphuric acid extracted a strong yellow tinc- ture from this boiled paper : carbonate of lime put to this yellow tincture made it blue ; but on filtering , the liquor which passed was of a dirty greenish colour ; and sulphuric acid did ...
62. oldal
... sulphuric acid before they were reddened by it . It would hence seem that the red colour , caused by these alkalis ... Sulphuric acid made this paper florid red . Caustic potash did not alter its blue colour ; but put on the places made ...
... sulphuric acid before they were reddened by it . It would hence seem that the red colour , caused by these alkalis ... Sulphuric acid made this paper florid red . Caustic potash did not alter its blue colour ; but put on the places made ...
Más kiadások - Összes megtekintése
Gyakori szavak és kifejezések
admixture afforded alkali alumina Annals of Philosophy antimony appeared arid vitriol arsenic barytes became bit of Tabasheer Bleyberg blow-pipe boiled borax calamine calcareous calx of zinc carbonate of lime carbonate of soda carbonate of zinc carbonic acid caustic charcoal chemical chemistry compound sulphuret containing copper crystals dissolved distilled water dried earth effervescence evaporation exhaled experiments filter flame fluid fluorine glass grains green Haüy heat hydrate of zinc ignited James Smithson jelly Klaproth knowledge liquor marine acid mass melted Mémoire Mendip Hill metallic mineral mixture muriatic acid nature nitrate nitric acid obtained opaque oxide paper Paris particles Percy Philosophical Transactions platina crucible portion potash powder precipitate produced quartz red hot Royal Society saline salt scientific siliceous silver small quantity species substance sulphate sulphuret of lead sulphuric acid Tabasheer Thomson's Annals tion transparent turnsol vegetable vitriol of zinc vitriolic acid weighed yellow zeolite
Népszerű szakaszok
30. oldal - Smithson should be invested, when received, by the Secretary of the Treasury, with the approbation of the President of the United States...
17. oldal - British empire, a public institution for diffusing the knowledge and facilitating the general introduction of useful mechanical inventions and improvements, and for teaching, by courses of philosophical lectures and experiments, the application of science to the common purposes of life.
17. oldal - A glance at the names of a few of the great organizations instituted in different parts of the world at the close of the last and beginning of the present century will...
5. oldal - ... satisfactory determinations. With a few pieces, not exceeding half a cubic inch in size, of tabasheer, a substance found in the hollow of bamboo canes, he made over two hundred and fifty different experiments. * The value which Smithson placed on such minute researches is incidentally shown by a remark in his paper on " fluorine." He says, " there may be persons who, measuring the importance of the subject by the magnitude of the object, will cast a supercilious look on this discussion ; but...
112. oldal - ... of a grain, it will be counterpoised by one of the small gold weights placed at the first, or second, or third, or fourth division. If on the contrary it weigh one grain and a fraction, it will be counterpoised by the heavy gold weight at the extremity, and one or more of the lighter ones placed in some other part of the beam.
27. oldal - July last to apply to persons versed in science and familiar with the subject of public education for their views as to the mode of disposing of the fund best calculated to meet the intentions of the testator and prove most beneficial to mankind.
56. oldal - Paris, 1819. Bibliotheca Parisiana. A catalogue of a collection of books formed by a gentleman in France.
23. oldal - Eush had been Comptroller of the United States Treasury at a time when the fiscal affairs of the government were in disorder ; he was next Attorney-General; then minister to England for a period of eight years; Secretary of the Treasury ; and minister to France. " To these great and varied employments,