...It hangs in an almost vertical position, the headdownwards, swinging like a pendulum if I touch the cover...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...It is as who should say the quick movement of a pendulum swinging without a wire to hang from...
J. Henri Fabre 「More Hunting Wasps」
...There are formidable unknown quantities here, more difficult to decipher than the resistances, the deflections and the frictions of the pendulum...
J. Henri Fabre 「More Hunting Wasps」
...At each oscillation this point cuts the sand, and the furrow getsgradually longer to the right hand of an observer placed at the centerof the pendulum...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...The discovery by Galileo of the isochronism of the pendulum, followed byHuyghens’s adaptation of that principle to clocks, has been one of thegreatest aids to accurate observation...
George Forbes 「History of Astronomy」
...Though the pendulum motion was first adopted by Galileo, he was unableto arrange its mechanism so that it should keep up a continuousmovement...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...It is very remarkable that this period does not depend appreciably onthe length of the circular arc through which the pendulum swings...
Robert Stawell Ball 「The Story of the Heavens」
...Thegreater the attraction, the more rapidly will the pendulum oscillate...
Robert Stawell Ball 「The Story of the Heavens」
...As for the inferior planets (Mercury and Venus) they only appearto oscillate like the bob of a pendulum about the sun, and so it isvery obvious that they must be really revolving round it...
Oliver Lodge 「Pioneers of Science」
...The best clock which Tycho Brahé could get for his observatory wasinferior to one that may now be purchased for a few shillings; and thischange is owing to the discovery of the pendulum by Galileo...
Oliver Lodge 「Pioneers of Science」
...This isthe period of the planetary oscillation: "a great pendulum of eternitywhich beats ages as our pendulums beat seconds...
Oliver Lodge 「Pioneers of Science」
...Anyone can try the pendulum experiment who hasaccess to some lofty place from which to suspend the ball...
Henry Warren 「Recreations in Astronomy」
...
The Horizontal Pendulum...
Henry Warren 「Recreations in Astronomy」
...Toobserve the movements of the pendulum, it is kept in a dark room,and a ray of light is directed to the mirror, m, and thencereflected upon a screen...
Henry Warren 「Recreations in Astronomy」
...The fundamental principle ofthis experiment is that the plane in which any pendulum is made tooscillate remains invariable even when the point of suspension isturned...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...But if we draw one pendulum a great deal to one side, and theother only a little, the two pendulums still swing sympathetically...
Robert Stawell Ball 「The Story of the Heavens」
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