...péndulo, m, pendulum, (here) tick (of the pendulum)... 
Gustavo Adolfo Becquer 「Legends, Tales and Poems」
...The dainty cylinder quivers and swings to and fro at theleast breath; it reminds me of the famous pendulum suspended from thedome of the Pantheon to prove the rotation of the earth...
J. H. Fabre 「The Wonders of Instinct」
...At a given signal Father Alfani set the pendulum toswinging...
Various 「Astounding Stories of Super-Science, August 1930」
...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 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」
...This would, however, be imperceptible so long astheir lengths were not measured by some accurate mechanicaltime-measurer such as a clepsydra, sandglass, pendulum, or spring clock...
E. Walter Maunder 「The Astronomy of the Bible」
...Its motionresembles a pendulum, swinging from one side of the sun to the other...
William Tyler Olcott 「A Field Book of the Stars」
...The methods adoptedare founded on the pendulum, which is, perhaps, the simplest andcertainly one of the most useful of philosophical instruments...
Robert Stawell Ball 「The Story of the Heavens」
...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」
...The time of vibration of the pendulum can be determined with greataccuracy...
Robert Stawell Ball 「The Story of the Heavens」
...The pendulum thus enables us to make a gravitational survey of thesurface of the earth with the highest degree of accuracy...
Robert Stawell Ball 「The Story of the Heavens」
...
Horizontal pendulum, ...
Henry Warren 「Recreations in Astronomy」
...If we draw the pendulum aside from its verticalposition and then release it, the weight will swing to and fro...
Robert Stawell Ball 「The Story of the Heavens」
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