oa MNASSA : Monthly Notes of the Astronomical Society of South Africa - Telescopes and accessories
|Article Title||Telescopes and accessories|
|© Publisher:||Astronomical Society of Southern Africa (ASSA)|
|Journal||MNASSA : Monthly Notes of the Astronomical Society of South Africa|
|Publication Date||Jan 1945|
|Pages||76 - 77|
|Keyword(s)||Apochromatic object glass, Cassegrain, Chromatic abberation, Fundamental astronomical instrument, Gregorian, Herschel, Human eye structure, Newtonian, Opposite dispersive powers, Reflectors, Refractors and Visual purple|
The following article by Mr. R.B.Borcherds was based on the new Harvard publication, ""Telescopes and Accessories"", by George Dimitroff and James Baker. In preparing this summary it has been found necessary to delete a certain number of the definitions and to considerably condense some of the longer descriptionptions.
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