Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 4
FIG. 3HEATING GLASS TO SOFTEN IT BOY ENGINEERING … FIG. 4BENDING GLASS all of these uses de-pend upon the factswhich you have just il-lustrated, namely, thatglass becomes softwhen heated and hardwhen cooled again. THE LAMP The wick should becut straight across andshould project abovethe wick holder aboutY% inch (Fig. 5), or alittle more if…
Glass blowing and working
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