Tyndall, John, 1820-1893 · London : Longmans, Green · leaf 285
ikingas your vowel-flame. It possessesthe advantage that the ordinarypressure in the gas mains is quitesufficient to produce it. Themethod of producing it consists inigniting the gas (ordinary coal-gas) not at the burner but someinches above it, by interposing be-tween the burner and the flame… … OTHER FORMS OF SENSITIVE FLAME. 263 tort stand. It had 32 meshes to the lineal inch. Theburner was Suggs steatite pin-hole burner, the same asthat used for the vowel-flame. * The flame is a slender cone about four inches high,the upper portion giving a bright yellow light, the basebeing a…
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