21) vibration. The Columbia Encyclopedia, Sixth Edition. 2001
...and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the prongs of a tuning fork that has been struck, or by the...
22) Foucault, Jean Bernard Leon. The American HeritageŽ Dictionary of the
English Language: Fourth Edition. 2000.
...and determined that it travels more slowly in water than in air (1850). He also employed a pendulum to prove the rotation of the earth (1851) and invented the gyroscope...
23) 44743. Poe, Edgar Allan. The Columbia World of Quotations. 1996
...ATTRIBUTION:Edgar Allan Poe (1809-1849), U.S. author. The narrator, in "The Pit and the Pendulum," The Gift (1842). Ratiocination propelled by the life instinct....
24) Bob. Dictionary of Phrase and Fable. 1898
...give the bob to any one. To deceive, to balk. This word is a corruption of pop. The bob of a pendulum or mason s plumb-line is the weight that pops backwards and...
25) 55. Three Balls. Sandburg, Carl. 1918. Cornhuskers
...in proud isolation: A family bible with hasps of brass twisted off, a wooden clock with pendulum gone, And a porcelain crucifix with the glaze nicked where the left...
26) escapement. The American HeritageŽ Dictionary of the English Language:
Fourth Edition. 2000.
...in timepieces to control movement of the wheel and to provide periodic energy impulses to a pendulum or balance. 2. A mechanism, as in a typewriter, that controls...
27) wigwag. The American HeritageŽ Dictionary of the English Language: Fourth
Edition. 2000.
...wigˇwags1. To move back and forth; wag steadily or rhythmically: watched the pendulum wigwag. 2. To signal by waving an upraised arm, flag, or light, especially in...
28) The Vibrations Must be Similar. Burke, Edmund. 1909-14. On the Sublime and
Beautiful. The Harvard Classics
...it can never be carried beyond the number of actual impressions; for move any body, as a pendulum, in one way, and it will continue to oscillate in an arch of the...
29) 24944. Gilson, Mary Barnett. The Columbia World of Quotations. 1996
...leadership in industry. Must we always wait for war to give us opportunity? And must the pendulum always swing back in the busy world of work and workers during times...
30) 120. An Old Woman of the Roads. Padraic Colum. Modern British Poetry
...The pile of turf against the wall! To have a clock with weights and chains 5 And pendulum swinging up and down! A dresser filled with shining delph, Speckled and...
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