Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 23
nt 17. To makeworking handles. You can save glass inmany cases by attaching ashort piece of glass to thepiece you intend to workwith, as follows: Heat anend of each piece in thelamp flame until red hot, press them together, remove from theflame, and hold until solid. The short piece then serves as… … o^ FIG. 30ATTACHING A HANDLE 22 BOY ENGINEERING large tubes, however, because it leaves a very large lump ofglass which may crack on cooling or reheating. Practice the following method of closing a large tube; first 1. a
Glass blowing and working
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