Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 44
nd removefrom the flame. The ends are now stucktogether, but the glass is ina slight lump around the jointand if allowed to cool willcrack very easily. It is neces-sary to work the glass backand forth to get rid of the lump to blow the eight notesof an octave. Try to play a tune. Try to make… … FIG. 73WORKING THE JOINT GLASS BLOWING 43 and to make the glass uniform on both sides of the joint. Dothis as follows : Heat one third of the joint in the blowpipe flame(Fig. 73), and when red hot blow a slight bulge. Now turnthe joint one third, heat thenext third red hot and blow aslight bulge.…
Glass blowing and working
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