process for the production of a flame, in particular for colour flame lampwith the help of a small flow of liquid to the upper end of a tubeinfluence of small cross section (4), the process of admissionthe fuel gas in the form of bubbles in succession in the roombubbles (3) disposed at the lower end of the ascending tube, bubblesgas (13, 17) having a section less than the cross section of theascending tube to ignite and burn, and let the gas mixture fuelliquid and the top end of the tube bottom. the fluid maycontain a compound selected for the flames, he stainingprovides.
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