Soap Bubbles
and the Forces which Mould Them

Forfatter: F. R. S., A. R. S. M., C. V. Boys

År: 1890

Serie: Romance of Science Series

Sted: London

Sider: 178

UDK: 532

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Side af 193 Forrige Næste
 THE FORCES WHICH MOULD THEM. $$ trying, and then see if we can tell why. You now see two pipes each with a tap. These are joined together by a third pipe in which there is a third tap. I will first blow one bubble and shut it off with the tap i (Fig. 22), and Fig. 22. then the other, and shut it off with the tap 2. They are now nearly equal in size, but the air cannot yet pass from one to the other because the tap 3 is turned off. Now if the pressure in the largest one is greatest it will blow air into the other when I open this tap,