Society of Glass Technology · [Sheffield] · leaf 509
rnace was provided with an opening at the front, throughwhich the pots could be inserted or removed, and a working openingin the roof for manipulating the glass or other contents of the pot.In the subsequent development of the furnace the recuperator tubes 130 JOURNAL OF THE SOCIETY OF GLASS… … Fig. 50. furnace for the experimental iiring and testing of refractories a Ihigh temperatures. The working chamber of this furnace has afloor area of 2.ft. 9 in. wide by 1 ft. 6 in. deep, having an arched
Glass
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