Society of Glass Technology · [Sheffield] · leaf 436
y 27th, 1921.Convention date, May 27th, 1920. Notyet accepted).—The delivery trough of aglass furnace is heated electrically in orderto facilitate starting up from cold. Forthis purpose the trough, 4, embodies resist-ances, 9, connected up to leads, 12, 13, ofan electric circuit. In conjunction,… … 3—2 36 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY.
Glass
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