Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 21
lace them all in the bottle together (2, Fig.26), and entertain your friends with a pollywog circus. The pollywog sinks when you press down on the stopper be-cause you compress the air in it and force water in until it weighs more than the water it displaces. The pollywogrises when you re-lease the…
Glass blowing and working
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