Society of Glass Technology · [Sheffield] · leaf 463
ners, /, which may be 32 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. of the kind described in specification 135902, are arranged in agroup directed through a single hole in the front, or each througha separate hole. The furnace is carried on longitudinal beams,A1, A2, A3, of concrete or reinforced… … Fig. 22. for use as a lehr or as an enamelling stove. Fig. 21 is a transversesection and Fig. 22 a longitudinal section of the device. The admission flue, 1, for supplying the gas extends longitudin- FUELS, REFRACTORIES, AND FURNACES. 33 ally above the lehr and communicates by a series of short…
Glass
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