Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 65
... optical glass . However great the other resources in men and material may be , it would be quite impossible to wage successful warfare without adequate supplies of optical glass for binocular field - glasses , range - finders ...
... optical glass . However great the other resources in men and material may be , it would be quite impossible to wage successful warfare without adequate supplies of optical glass for binocular field - glasses , range - finders ...
Página 67
... optical glass of good quality . Still more recently the United States , though , to a large extent , dependent on English and French resources for optical glass for war purposes , have commenced its manufacture on their own account ...
... optical glass of good quality . Still more recently the United States , though , to a large extent , dependent on English and French resources for optical glass for war purposes , have commenced its manufacture on their own account ...
Página 101
... OPTICAL INSTRUMENTS . The Theory of Modern Optical Instruments : A Reference Book for Physicists , Manufac- turers of Optical Instruments , and for Officers in the Army and Navy . By Dr. Alexander Gleichen . Translated from the German ...
... OPTICAL INSTRUMENTS . The Theory of Modern Optical Instruments : A Reference Book for Physicists , Manufac- turers of Optical Instruments , and for Officers in the Army and Navy . By Dr. Alexander Gleichen . Translated from the German ...
Índice
October 9 1919 | xxxii |
Stefanik Genl M obituary 231 | xxxviii |
Storkerson S Arrival with his party on the Alaskan | 8 |
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