Titlebook: A History of Optical Telescopes in Astronomy; Wilson Wall Book 2018 Springer Nature Switzerland AG 2018 History of Optics.Telescope makers

GNAT

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追逐

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Foolproof

fallible

愚笨

Allgemeine Chemie - ein LeselehrbuchAfter the original flurry of activity and outstanding discoveries associated with the first two lens telescopes, frustrations started to develop as it was realised that there were limits to these instruments. To start improving an instrument, whether this is a telescope or any other device, it is necessary to describe what its shortcomings are.

改正

Die chirurgische Indikationsstellung,It was Newton’s ideas about light and the impossibility of correcting for refrangibility by mixing complementary lenses that significantly slowed the production of achromatic lenses, as they were seen to be of no use in telescope manufacture. At the same time, his ideas did create some speculations over the value of using mirrors over lenses.

联合

Allgemeine Deutsche Wechselordnung, Born in Eisenach, Germany, Abbe became professor of physics at Jena in 1870 and director of the astronomical and meteorological observatories in 1878. He was partnered with Zeiss and took over responsibility for the company in 1888. He produced the Abbe condenser and the achromatic microscope lens in 1886.

琐事

恶心

insidious

Die Untersuchung des chirurgisch Kranken, recent is the realisation that there is something not quite right about viewing stars through the atmosphere. It is fairly certain that one of the earliest comments on this can be found in ., written by Galileo in 1610. Although Galileo did not appreciate the profundity of his observation, he did m