Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 10
ig. 14) ? Release the stopper. Does the balloonrise in an equally magical manner?Experiment 9. Balloon races. Make another water balloon. Put the twoballoons together in the bottle filled to over-flowing with water. Insert the stopper and press down hard.Do the balloons sink (Fig. 15), and does… … FIG. 14 THE BALLOON SINKSAND RISES
Glass blowing and working
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