 | Sir Humphry Davy - 1812 - 352 Seiten
...fortieth part of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and by withdrawing the...When any substance was introduced into this arch, it instantly became ignited ; platina melted as readily in it as wax in the flame of a common candle ;... | |
 | John Mason Good - 1813 - 480 Seiten
...withdrawing the points from each other, a constant discharge to»k place through the heated air, in a spare equal at least to four inches, producing a most brilliant...When any substance was introduced into this arch it instantly became ignited ; platina melted as rcndily in it as wax in the flame of a common candle;... | |
 | John Mason Good - 1819 - 482 Seiten
...fortieth part of an inch), a bright spark vt as produced, and more than half the volume of the charcoal became ignited to whiteness , and by withdrawing the points from each other, a constant discharge look pluce through the heated air, in a spare equal at least to four inclie.«, producing a most brilliant... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 Seiten
...fortieth part of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness; and by withdrawing the...When any substance was introduced into this arch, it instantly became ignited ; platina melted as readily in it, as wax in the flame of a common candle... | |
 | Sir Richard Phillips - 1816 - 316 Seiten
...fortieth part of an inch,) a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness ; and by withdrawing the...a space equal at least to four inches, producing a mmt brilliant ascending arch of light, broad and conical in form in the middle. When any substance... | |
 | Sir Richard Phillips - 1817 - 348 Seiten
...fortieth part of an inch,) a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness; and by withdrawing the...When any substance was introduced into this arch, it instantly became ignited; platina melted as readily in it as wax in the flame of a common candle ;... | |
 | Jared Sparks, Edward Everett, James Russell Lowell, Henry Cabot Lodge - 1819 - 476 Seiten
...brought very near each other, a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness, and, by withdrawing the...brilliant ascending arch of light, broad and conical in the middle.' ' The temperature excited in the circuit of batteries which are composed of a very large... | |
 | Sir Richard Phillips - 1821 - 788 Seiten
...becomes ignited to whiteness ; and,by withdrawing the points from each other, a constant discharge takes place through the heated air, in a space equal at...conical in form in the middle. When any substance is introduced into this arch, it instantly becomes ignited; platina melts as readily in it as wax in... | |
 | Andrew Ure - 1821 - 428 Seiten
...half the volume of the charcoal became ignited to whiteness; and by drawing back the points a little from each other, a. constant discharge took place,...producing a most brilliant ascending arch of light, expanded and conical in the middle. When any substance was iaELE trodüced into this arch, it instantly... | |
 | Andrew Ure - 1821 - 512 Seiten
...than half the volume of the charcoal became ignited to whiuncss; and by drawing back the points a hule from each other, a constant discharge took place,...the heated air, in a space equal at least to four ¡nrlics, producing a most brilliant ascending arch of light, expanded and conical in the middle. WUeu... | |
| |
When pieces of charcoal about an inch long and one-sixth of an inch in diameter were brought near each other (within the thirtieth or fortieth part of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited... 
