HOW TO DEAL WITH BORES.
An entertaining method of dealing with parliamentary bores was suggested by the professor's statement..,-.that* .tout for the air his audience would.be unable to hear him-speak. If the air, were pumped out of the space between him and them his voice would sot-car-Ty. To show the part played by -the air as a conductor of sound, the profes-r sor placed.a clockwork bell inside a ; large glass, globe 'and fixed the ..lid on.. The bell went on.ringing audibly. Then, the air was pumped out of the; globe,; and the tinging of the bell died right away only to break out again when the air was let in. Air .pressure was demonstrated by taking two small flat, smooth steel plates and sliding' one against" the other so as to "squash" out the air between them. A handle 'was then attached to the outside of each •plate,; and two of the boys in the audience ■ were set to try to pull, the plates apart. They failed, even .when the prbfessor and his assistant .joined, in the tug-of-war. The professor- explained that it was simply the,pressure of the air outside that held the plates together. ■.' ■ ■■:'<■■'■:■. ■->'■' ■•:
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HOW TO DEAL WITH BORES., Ashburton Guardian, Volume XXXIII, Issue 8800, 21 February 1914
HOW TO DEAL WITH BORES. Ashburton Guardian, Volume XXXIII, Issue 8800, 21 February 1914
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