...The mouth was a round or oval orifice,and when illuminated by the parabola, its lips ormargin looked thickened, and of a pale blue, andciliated, while the rest of the body assumed a pinkishpearly tint... 
Henry J. Slack 「Marvels of Pond-life」
...There was a hollow in the wall, a great parabola, deep and wide, andit was lined throughout with beaten gold...
Various 「Astounding Stories of Super-Science, June, 1930」
...The priests were now upon the dais—the rocky platform, divided by thegreat, glowing parabola of light...
Various 「Astounding Stories of Super-Science, June, 1930」
...Hevelius made numerous researches on comets, and suggested that theform of their paths might be a parabola...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...There is a certain beautiful curve known to geometricians by the name ofthe parabola...
Robert Stawell Ball 「The Story of the Heavens」
...The characteristic feature of the movement in a parabola may be thusdescribed...
Robert Stawell Ball 「The Story of the Heavens」
...It had been observed in 1786, 1795, and1805, but on these occasions it had not been noticed that the comet'spath deviated from the parabola...
Robert Stawell Ball 「The Story of the Heavens」
...As a matter of fact the path of a projectile in vacuo is onlyapproximately a parabola...
Oliver Lodge 「Pioneers of Science」
...Astronomers, therefore, consider meteors as well ascomets to have the parabola and the elongated ellipse astheir characteristic orbits...
George C. Comstock 「A Text-Book of Astronomy」
...The comet of 1680, Newton foundto move in an orbit so nearly a parabola that the time of describing itmust be reckoned in hundreds of years at the least...
Oliver Lodge 「Pioneers of Science」
...It may be a parabola, an ellipsis, spiral, circular, &c...
Paul Henri Thiery (Baron D'Holbach) 「The System of Nature, Volume 1」
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