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Anglický jazyk
Department, U: Description and Instructions for Use of Warne
Excerpt from Description and Instructions for Use of Warner and Swasey Azimuth Instrument: Model of 1910
2. The telescope is of the prism type, and has the usual mechanism for focusing. It has the following optical qualities: Clear aperture of objective,...
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Excerpt from Description and Instructions for Use of Warner and Swasey Azimuth Instrument: Model of 1910
2. The telescope is of the prism type, and has the usual mechanism for focusing. It has the following optical qualities: Clear aperture of objective, 3 inches; focal length of objective, 24 inches; field of view, 3 degrees; powers, 10 and 15.
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- Vydavateľstvo: Forgotten Books
- Formát: Paperback
- Jazyk: Anglický jazyk
- ISBN: 9781334186547
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