Society of Glass Technology · [Sheffield] · leaf 291
d to ascend with a higher velocity than the gas nearthe walls (Fig. 2). Professor Grume Grjimailo, in his Essai dune Theorie des Foursa Flamme, has called attention to the permanence of such gasstreams, which can move through the atmosphere of a furnacejust as a stream of petrol can ascend through… … account of the mechanism of this phenomenon is to be found thanin the writings of the late Prof. James Thomson, who originallyinvestigated it. The hot secondary air enters the space below the eye at com-paratively low velocity, and at some distance from the gas stream,which is then of comparatively…
Glass
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