Society of Glass Technology · [Sheffield] · leaf 488
Fig. 18. 295 m xlOm. reached 1500° on 170 kw. and produced 900 kgper day, this glass being of better quality than the first. The heat 44 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. was again concentrated too much in the glass itself and the furnacefinally designed used only heat radiated from the…
Glass
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