Society of Glass Technology · [Sheffield] · leaf 537
bell attached to the secondarymixing-chamber and adapted to receive the glassware to be polished,and means for deflecting the combustible mixture from the burner to produce a swirl-ing effect insidethe bell. The de-vice can be used forfinishing the edgeof ware formed ofhard glass. Asshown (Fig.… … Fig. 99. sion, 23, forms the primary mixing-chamber. REVIEWS. 107 is connected to the rear end of the pipe, 13, and a perforatedcap, 25, screwed on to the end of the extension, 23, breaks up themixture of fuel and air as it is forced through. An outer tube, 11,provided with a secondary air-inlet,…
Glass
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