Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 38
a deep breathand blow as hardas he can. Hewill do so, withlaughable results(Fig. 60). Now togetherfind anotherfriend. Do notask him to blow,but each of youblow as longa stream asyou can, w4iere 36 BOY ENGINEERING … he can see you. He will beg to be allow-ed to try, and finally you let him, withthe same laughable results. Repeat with other friends.Experiment 44. To make an engineerslevel. You can make one form of engineerslevel (Fig. 61) as follows: Take a fulllength of No. 6 tubing, bend it up 4inches at each…
Glass blowing and working
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