Usage examples for vacuum
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One swooper they brought to earth with a disintegrator ray beam, by creating a vacuum beneath it, but they did it no serious damage, for its fall was a light one. – The Airlords of Han by Philip Francis Nowlan
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This occurred every two or three minutes, and, remembering what Thorwald had previously told us, we realized that we were riding in a perfectly tight car in a vacuum tube and that these short but frequent stops were to keep us supplied with fresh air. – Daybreak: A Romance of an Old World by James Cowan
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He was the first to obtain a vacuum by means of mercury; and he also improved the microscope and the telescope. – More Hunting Wasps by J. Henri Fabre