 | John Tyndall - 1870 - 56 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...made through six or seven inches, producing a most beautiful coruscation of purple light, the charcoal became intensely ignited, and some plntina wire... | |
 | JOHN TYNDALL, L.L.D., F.R.S. - 1871 - 204 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...made through six or seven inches, producing a most beautiful coruscation of purple light, the charcoal became intensely ignited, and some platina wire... | |
 | John Tyndall - 1871 - 408 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...points from each other, the discharge was made through sis or seven inches, producing a most beautiful coruscation of purple light, the charcoal became intensely... | |
 | John Tyndall - 1878 - 218 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...and by withdrawing the points from each other, the diseharge was made through six or seven inches, producing a most beautiful coruscation of purple light,... | |
 | Thomas Corwin Mendenhall - 1887 - 246 pages
...atmosphere in the vessel supported only one fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...producing a most brilliant coruscation of purple light ; the charcoal became intensely ignited, and some platiua wire attached to it fused with brilliant... | |
 | John Tyndall - 1895 - 220 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...made through six or seven inches, producing a most beautiful coruscation of purple light, the charcoal became intensely ignited, and some platina wire... | |
 | Henry Smith Williams - 1904 - 378 pages
...atmosphere in the vessel supported only onefourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...producing a most brilliant coruscation of purple light; the charcoal became intensely ignited, and some platina wire attached to it fused with brilliant scintillations... | |
 | Henry Smith Williams - 1912 - 408 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...producing a most brilliant coruscation of purple light; the charcoal became intensely ignited, and some platina wire attached to it fused with brilliant scintillations... | |
 | Sir William Augustus Tilden - 1921 - 412 pages
...atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical gauge, the sparks passed through a space of nearly half an...made through six or seven inches, producing a most beautiful coruscation of purple light," etc. Toward the end of 1811 Davy made the acquaintance of the... | |
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... the distance at which the discharge took place increased as the exhaustion was made, and when the atmosphere in the vessel supported only one-fourth of an inch of mercury in the barometrical... 
