 | 1818 - 514 pages
...bed-room, the lamp may be preferable in its apparently extinct state. Sir Humphry Davy remarks, that " the chemical changes in general produced by slow combustion appear worthy of investigation : " possibly in this investigation me lamp may be of some, utility. " When the experiment of the slow... | |
 | 1818 - 512 pages
...bed-room, the lamp may be preferable in its apparently extinct state. Sir Humphry Davy remarks, that " the chemical changes in general produced by slow combustion appear worthy of investigation : " possibly in this investigation the lamp may be of SOBIQ utility. " When the experiment of the slow... | |
 | Andrew Ure - 1821 - 436 pages
...be removed by ignition over another spirit flame, otherwise the effect ceases affr a certain time. The chemical changes in general, produced by slow...vapours of nitrous acid were observed in the mixture. In a mixture of olefiant gas, non-explosive from the excess of inflammable gas, much carbonic oxide... | |
 | Andrew Ure - 1821 - 436 pages
...after a certain time. The chemical changes in general, produced by slow combustion, appear worthy •f investigation. A wire of platinum introduced under the usual circumstances into a mixture of pruesic gas (cyanogen), »nd oxygen in excess, became ignited to whiteness, and the yellow vapours... | |
 | Sir Humphry Davy - 1825 - 174 pages
...will in some part of the glass become glowing, almost white hot, and will continue so as long as a 106 sufficient quantity of vapour and of air remain in...circumstances into a mixture of prussic gas, (cyanogen) and oxygene in excess became ignited to whiteness, and the yellow vapours of nitrous acid were observed... | |
 | Andrew Ure - 1828 - 872 pages
...be removed by ignition over another spirit flame, otherwise the eilect ceases after a certain time. The chemical changes in general produced by slow combustion appear worthy of investigation. A wire of plaiinum introduced under the usual circumstances into a mixture of prussic gas (cyanogen) and oxygen... | |
 | Thomas Curtis - 1829 - 828 pages
...be removed, by ignition over another spirit flame, otherwise the effect ceases after a certain time. The chemical changes in general, produced by slow...excess, became ignited to whiteness, and the yellow vapors of nitrous acid were observed in the mixture. In a mixture of olefiant gas, non-explosive from... | |
 | Andrew Ure - 1831 - 980 pages
...be removed by ignition over another spirit flame, otherwise the effect ceases after a certain time. The chemical changes in general produced by slow combustion...vapours of nitrous acid were observed in the mixture. In a mixture of olefiant gas, non-explosive from the excess of inflammable gas, much carbonic oxide... | |
 | Chemical Society (Great Britain) - 1886 - 944 pages
...of heated platinum was first observed by Davy. In the Phil. Trans, of 1817 (p. 80), be says : — " The chemical changes in general produced by slow combustion...platinum introduced under the usual circumstances [heated to low redness] into a mixture of prussic gas and oxygene in excess hecame ignited to whiteness,... | |
 | William Arthur Bone, Donald Thomas Alfred Townend - 1927 - 644 pages
...by an excess of inflammable gas much carbonic oxide was formed. And the truth of his remark that " the chemical changes in general produced by slow combustion appear worthy of investigation," although not sufficiently realised then, has been abundantly proved during the present century. With... | |
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When the experiment on the slow combustion of ether is made in the dark, a pale phosphorescent light is perceived above the wire, which of course is most distinct when the wire ceases to be ignited. This appearance is connected with the formation of a... 
