Society of Glass Technology · [Sheffield] · leaf 539
e and half in the other direction. The first cooling-portion, la, is built of brickwork, etc., and the remaining portionsof metal plate with an external coating of asbestos, etc., which isthinner towards the outlet and may be omitted on the lastsection, Id. H. G. C. 156. Improvements in… … fcy>-% Fig. 96. having recuperators and heated by gas consists of two opposedvaults or combustion chambers, 5, connected by a passage in thecentre of which the burner, 1, is situated. The burner is suppliedwith gas by a flue, 2, and with hot air from recuperators, 15, by FUELS, REFRACTORIES, AND…
Glass
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