Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 12
bbles in the water(Fig. 18). If you can do so, it is a real tube.Does the thin tube bend easily and does it spring back when released? Repeat the experiment with an-other piece of No. 2 tubing, but makethe thin tube as long as you can. Can you blow air through thethin tube, and does it bend… … FIG. 18AIR THROUGH TUBE runs downhill,but you will nowsee it run uphilland remain therein a most magicalmanner. Cut off 5-inchlengths of No. 6,No. 4, and No. 2tubing, standthem side by sidein a glass full ofwater (Fig. 19),and move themup and down in the water to wet the inside of the tubes.
Glass blowing and working
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