Society of Glass Technology · [Sheffield] · leaf 340
e combustionair to enter. The temperature to which such anarch can be raised is a very moderateone, especially where high class fuelis not obtainable. The common manner of operation was to use a small fire, leavingplenty of smoke in the arch for a number of days. During the lastfew days the… … Fig. 1. 242 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. The ordinary continental type of arch was of a somewhat betterdesign, and a typical one is illustrated in Fig. 2, which shows adirect fired furnace (reproduced from Schipmans book *) with afire-box (F.B.) arranged below, combustion flues…
Glass
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