 When pieces of charcoal about an inch long and onesixth 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 to...  The Conquest of Nature - Página 220de Henry Smith Williams - 1912 - 325 páginasVista completa - Acerca de este libro
 | JOHN TYNDALL, L.L.D., F.R.S. - 1871 - 204 páginas
...thirtieth or 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...took place through the heated air, in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad, and conical in... | |
 | John Tyndall - 1871 - 408 páginas
...thirtieth or 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...took place through the heated air, in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad, and conical in... | |
 | John Tyndall - 1878 - 218 páginas
...thirtieth or 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 points from each other a constant diseharge took place through the heated air, in a space equal at least to four inches, producing a... | |
 | Charles William Sleeman - 1880 - 462 páginas
...thirtieth or 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...took place through the heated air, in a space equal at least to four inches ; producing a most brilliant ascending arch of light, broad, and conical in... | |
 | John Joseph Fahie - 1884 - 596 páginas
...was rather more than an inch long, and the points became ignited to whiteness. By withdrawing them from each other, a constant discharge took place through...to at least four inches, producing a most brilliant arc of light." — Bostock's History of Galvanism, p. 95. This refers to Davy's experiments of 1809,... | |
 | Park Benjamin - 1886 - 422 páginas
...thirtieth or 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...took place through the heated air in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad and conical in form... | |
 | Sir William Slingo, Arthur Brooker - 1890 - 664 páginas
...thirtieth or 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...took place through the heated air in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad and conical in form... | |
 | Edward Trevert - 1891 - 366 páginas
...thirtieth or 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 points from each other, a constant dischargertook place through the heated air in a space equal at least to four inches, producing a most... | |
 | La Motte C. Atwood - 1893 - 180 páginas
...thirtieth or fortieth of an inch), a bright spark was produced, and more than half the volume of the charcoal became ignited to whiteness ; and, by withdrawing...took place through the heated air in a space equal at least to four inches, producing a most brilliant ascending arch of light, broad and conical in form... | |
 | Sir John Ambrose Fleming - 1894 - 276 páginas
...thirtieth or 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...took place through the heated air in a space equal at least to 4in., producing a most brilliant ascending arch of light, broad and conical in form in... | |
| |
