Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 260
... observatory which would house a telescope of the first magnitude . This was in addition to the older observatory of instruction , containing a 9 inch refractor and the usual equipment for instructional purposes , which is situated near ...
... observatory which would house a telescope of the first magnitude . This was in addition to the older observatory of instruction , containing a 9 inch refractor and the usual equipment for instructional purposes , which is situated near ...
Strona 261
... Observatory . When the decision was reached that the final mirror could be 69 inches in diameter , the mounting for the 61 - inch mirror had already been in place in the Observatory for some months . An unanticipated task therefore ...
... Observatory . When the decision was reached that the final mirror could be 69 inches in diameter , the mounting for the 61 - inch mirror had already been in place in the Observatory for some months . An unanticipated task therefore ...
Strona 262
... Observatory , which has been made possible through the gener- osity of friends interested in the develop- ment of the Observatory's programme . In this way a very considerable saving has been made possible in acquiring the necessary ...
... Observatory , which has been made possible through the gener- osity of friends interested in the develop- ment of the Observatory's programme . In this way a very considerable saving has been made possible in acquiring the necessary ...
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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