The "coelostat," in the form given to it by Professor Turner, has proved an invaluable adjunct to eclipse-equipments. From Wordnik.com. [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference
He kept his face glued to the eyeshade of the coelostat. From Wordnik.com. [The Rolling Stones]
The problem appeared to be the coelostat, a mirror attached to the large astrographic telescope. From Wordnik.com. [Savage Peace] Reference
One of them is the coelostat, the instrument used in telescopes to keep the images of the stars in place for arbitrarily long periods of exposures. From Wordnik.com. [Lippmann's and Gabor's Revolutionary Approach to Imaging] Reference
He contributed to astronomy with his invention of the coelostat, a device which immobilizes the image of a star and its surrounding stars so that a photograph may be taken. From Wordnik.com. [Gabriel Lippmann - Biography] Reference
But soon after arriving at Sobral that April, Crommelin and his cohorts discovered a serious optical defect on the coelostat mirror for the biggest and the best of the telescopes. From Wordnik.com. [Savage Peace] Reference
A 61-1/2-foot horizontal "coelostat.". From Wordnik.com. [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference
Turner, polariscopic coronal photography, 189; employment of coelostat, 190, 438; stationary radiants, 341. From Wordnik.com. [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference
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