...Camol left the laboratory and returned with a large coil on the topof which was mounted a parabolic reflector... 
Various 「Astounding Stories, August, 1931」
...The little cruiser rose slowly under the lift of the fans; then heopened the throttle and swept out in a parabolic curve that ended in avertical line...
Various 「Astounding Stories, May, 1931」
...The comets thus follow a very elongated orbit, either elliptic, turninground the Sun, or parabolic, dashing out into space...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Hecollected all the reliable observations of comets he could find, to the numberof twenty-four, and computed their parabolic orbits by the rules laid down byNewton...
George Forbes 「History of Astronomy」
...A comet of thiskind moves in a parabolic path, sweeps once around the sun, and thenceretreats into the space whence it came...
Robert Stawell Ball 「The Story of the Heavens」
...Their orbits are never like circles; theyare, indeed, more usually parabolic, and thus differ as widely aspossible from the circular path...
Robert Stawell Ball 「The Story of the Heavens」
...The slowness with which these bodies move when farfrom the sun is strikingly illustrated by an equation ofcelestial mechanics which for parabolic orbits takes theplace of Kepler's Third Law—viz...
George C. Comstock 「A Text-Book of Astronomy」
...Had our atmosphere notentangled them, many, circuiting the sun in a parabolic or hyperboliccurve, would have escaped for ever from our system...
E. Walter Maunder 「The Astronomy of the Bible」
...Toovercome the spherical aberration James Gregory, ofAberdeen and Edinburgh, in 1663, in his Optica Promota, proposed areflecting speculum of parabolic form...
George Forbes 「History of Astronomy」
...There is a necessary distinction between parabolic and elliptic motion...
Robert Stawell Ball 「The Story of the Heavens」
...He madewith his own hands 430 parabolic mirrors for reflecting telescopes,besides a great number of complete instruments...
Oliver Lodge 「Pioneers of Science」
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