...Although still unseen, and only a black circle that blocks out distantstars, it is visible in the telescopes of the astronomers; itsdistance and its orbital motion have been determined... 
Various 「Astounding Stories, August, 1931」
...The slender throats of the cannon of ‘75 were pointed upwards like telescopes...
Vicente Blasco Ibanez Charlotte Brewster Jordan 「The Four Horsemen of the Apocalypse」
...With our telescopes andmicroscopes we see farther and deeper into things than does the savage...
Robert Marett 「Anthropology」
...Although stillunseen, and only a black circle that blocks out distant stars, it isvisible in the telescopes of the astronomers; its distance and itsorbital motion have been determined...
Charles Willard Diffin 「Brood of the Dark Moon」
...Jeter studied the sky above them through their special telescopes,seeking some hint of the location of the point of departure of thatdevastating column of light...
Arthur J. Burks 「Lords of the Stratosphere」
...Could all telescopes on the ground pick out their space ship? Yes, saidHadley, and a young scientist in New Jersey was constantly watchingthem...
Arthur J. Burks 「Lords of the Stratosphere」
...The first telescopes were made in Holland, the originator being either HenryLipperhey, Zacharias Jansen, or James Metius, and thedate 1608 or earlier...
George Forbes 「History of Astronomy」
...He soon acquired a greatreputation for his telescopes of moderate size; but there was a difficulty inmaking flint-glass lenses of large size...
George Forbes 「History of Astronomy」
...Many readers of this book may be the fortunate possessors ofsmall telescopes...
William Tyler Olcott 「A Field Book of the Stars」
...When Bond rediscovered thedark ring, everything promised that before long the appendage would bevisible with telescopes far inferior in power to the great Harvardrefractor...
Richard A. Proctor 「Myths and Marvels of Astronomy」
...No distinction was to be gained by observations which could not beconfirmed by astronomers possessing more powerful telescopes...
Richard A. Proctor 「Myths and Marvels of Astronomy」
...Fuccarius, in a disparaging letter, saysthat one of the Dutch telescopes had been brought to Venice, and that hehimself had seen it...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Galileo next directed his attention to the construction of telescopes,and applied his mechanical skill in making instruments of a larger size,one of which magnified eight times...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Large telescopes revealmultitudes of stars utterly beyond the power of enumeration, nor do theyappear to diminish in number as depth after depth of space is penetratedby powerful instruments...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
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