Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 260
... mounting for the world's third largest telescope . The completion of the 69 - inch mirror for the Perkins telescope brings to fruition the plans of the late Professor Hiram Mills Perkins of ten years standing . Professor Perkins , who ...
... mounting for the world's third largest telescope . The completion of the 69 - inch mirror for the Perkins telescope brings to fruition the plans of the late Professor Hiram Mills Perkins of ten years standing . Professor Perkins , who ...
Strona 261
... mounting . The mounting for the telescope was designed and executed by the Warner and Swasey Company , of Cleve- land . Temporary use of the mounting was assured through the loan of a 60 - inch mirror belonging to the Harvard ...
... mounting . The mounting for the telescope was designed and executed by the Warner and Swasey Company , of Cleve- land . Temporary use of the mounting was assured through the loan of a 60 - inch mirror belonging to the Harvard ...
Spis treści
The Story of the Perkins Reflector | 260 |
Decline in U S Phosphates Output | 266 |
Mohlers Test for Benzoic Acid Edward T Illing B Sc F I C | 269 |
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