 Drummond, by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour, which, when examined by prismatic analysis, are found to possess the peculiar definite...  Once a Week - Page 9edited by - 1870Full view - About this book
 | Encyclopaedia - 1845 - 876 pages
...by directing on small spheres of them the flames of several spirit lamps urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,...possess the peculiar definite rays in excess, which characterise the tints of flames coloured by them ; so that there can be no doubt that these tints... | |
 | Sir William Crookes, George Wharton Simpson - 1860 - 858 pages
...lamps, urged by oxygen ¿as, yield from their surfaces lights of extraordinary splendour, which, \vheu examined by prismatic analysis, are found to possess the peculiar definite rays in excess which characterise the tinte of flames coloured by them ; so that there can be no doubt that these tints... | |
 | 1862 - 328 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,...possess the peculiar definite rays in excess which characterise the tints of flames coloured by them, so that there can be no doubt that these tints arise... | |
 | 1863 - 720 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour, which, when examined by prismatic analyses , are found to possess the peculiar definite rays in excess which characterise the tints of... | |
 | 1863 - 694 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour, which, when examined by prismatic analyses, are found to possess the peculiar definite rays in excess which characterise the tints of... | |
 | 1863 - 708 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour, which, when examined by prismatic analyses , are found to possess the peculiar definite rays in excess which characterise the tints of... | |
 | Henry Enfield Roscoe - 1870 - 514 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,...possess the peculiar definite rays in excess which characterise the tints of flames coloured by them ; so that there can be no doubt that these tints... | |
 | sir Henry Enfield Roscoe - 1869 - 396 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,...possess the peculiar definite rays in excess which characterise the tints of flames coloured by them ; so that there can be no doubt that these tints... | |
 | Henry E. Roscoe - 1869 - 372 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygen gas, yield from their surfaces lights of extraordinary splendour,...possess the peculiar definite rays in excess which characterise the tints of flames coloured by them ; so that there can be no doubt that these tints... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1870 - 360 pages
...by directing on small spheres of them the flames of several spirit-lamps, urged by oxygengas, yield from their surfaces lights of extraordinary splendour,...examined by prismatic analysis, are found to possess lhe peculiar definite rays in excess which characterise the tints of ilaroes coloured by them, so that... | |
| |
