Society of Glass Technology · [Sheffield] · leaf 183
cable only in the case of a lead batch. That state-ment, however, should not pass unchallenged. If a lead batch canbe melted in a covered pot, the use of an open pot should facilitatethe melting of harder glasses. Moreover, the design and con- 86 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY.… … Fig. 1. in Fig. 1. The back was made thicker and the front thinner thanin standard practice. Fig. 2 shows a pot with strengtheningbands of clay round the back. These bands, however, melted andproved a failure. Perhaps as a strengthening device, ribs on the
Glass
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