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Journal (1917)
Society of Glass Technology · [Sheffield] · leaf 144
he pots to a high temperature, and forabout two days, before filling them with glass for the first time,this treatment did not materially reduce the tendency of the potsto crack down the front. The cracking of the pots down the frontwas attributed to the fact that, as the products of combustion… … SA=Secondary air. cracking takes place. It was obvious that if this explanation of thecracking of the pots was correct, it would b© possible to prevent itby burning the gas as near the front of the pot as possible. Withthis object iij yi^w, j.n reconstructing the furnace, the following* Trans.,…Glass
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