Lynde, Carleton John, b. 1872, Gilbert, A. C. (Alfred Carlton), 1884-1961, A.C. Gilbert Company · New Haven, CT : A.C. Gilbert Co. · leaf 62
s a little above thewater \v the pan. Does air atmospheric pressure upwardand downward holds your handand the tumbler together.Experiment 78. A magic pen-dulum. Pass a string through a smallhole in a piece of cardboard,knot the end of the string, anddrop melted candle wax overthe hole to make it… … FIG. 103POULTRY FOUNTAIN GLASS BLOWING 61 enter and water run out until the mouth is again covered withwater? This is what happens when the poultry, by drinking,(ower the water below the mouth of the bottle. In a poultry fountain the bottle is supported, as shown, with its mouth under water but…
Glass blowing and working
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