Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 34
FIG. S3STARTING A SIPHON over each end (1, Fig.53), place one end in atumbler full of waterand remove the fingerunder water (2, Fig.53), then remove theother finger. Does thesiphon start? In this case the wateryou pour into the si-phon drives the airout, and this is thereason you do not needto suck… … FIG. 54SIPHONING SAND GLASS BLOWING 33
Glass blowing and working
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