Up: Glassmaking
Gilbert: 34 of 65
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FIG. 48
A NOZZLE
suck air out of the nozzle. Have you made a beautiful fountain?
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| FIG. 49 |
FIG. 50 |
FIG. 51 |
FIG. 52 |
YOU MAKE A NUMBER OF MAGIC
FOUNTAINS |
Experiment 36. Magic.
Make a nozzle 6 inches long out of No. 2
tube. Smooth the ends of the nozzle, and long tubes. Arrange
the apparatus as in Fig. 50 and suck air out of the nozzle until
the water runs in the siphon. Does the water squirt out of the
nozzle in a magical manner?
Experiment 37. More magic.
Arrange the No. 2 apparatus as in Fig. 51,
with the nozzle inside the bottle. Now to start the apparatus;
Fill the bottle about quarter full of water, insert the tubes in the
stopper as shown; insert the stopper into the mouth of the bottle;
invert the bottle; then put the short tube in a tumbler full of
water and the long tube
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