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Cambridge sketches (ed. Estelle M. H. Merrill), chapter 11 (search)
ject glass of a photographic telescope. Of course the prismatic hues are not reproduced on the plate, but the lines are very distinctly marked, and can be studied at leisure. The most interesting of all the photographic telescopes is the new Bruce telescope. This has an aperture of twenty-four inches, and is the largest photographic telescope yet made. The glass is by Alvan Clark of our city. This telescope has been in use now for more than a year, and it reveals stars that never have b, it possesses unrivalled meteorological advantages. The air is wonderfully clear and pure. Add to these natural advantages the fact that it is almost the only observatory in the southern hemisphere, and its importance will be appreciated. The Bruce telescope will be an important addition to its facilities. The photographs are stored in a commodious building where a gifted woman, Mrs. Fleming, with her assistants examines the plates. She is in charge of this branch of the work at the Obs