Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 55
it does. Smooth the rough edges outsideand inside with the file. You cannot do this with the flame be-cause the glass is too brittle.Experiment 68. To grind glass. Rough edges of glasscan be ground smooth bymeans of emery paper.For example, to smooththe edges of the glass bot-tle you have just cut… … FIG. 90THE BOTTLE CUT IN TWO
Glass blowing and working
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