Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 121
... apparatus designed for use in mathematical instruction , including a very com- plete assortment of calculating machines of all kinds . But the foreign visitor was delighted chiefly to see and handle the gyrostats and apparatus , and so ...
... apparatus designed for use in mathematical instruction , including a very com- plete assortment of calculating machines of all kinds . But the foreign visitor was delighted chiefly to see and handle the gyrostats and apparatus , and so ...
Página 276
... Apparatus used in the measure- ment of the growth of trees . An " invar " tape was passed round the tree and over the " rockers " on the apparatus , the arms of which control the angle be- tween a plane glass surface and the face of a ...
... Apparatus used in the measure- ment of the growth of trees . An " invar " tape was passed round the tree and over the " rockers " on the apparatus , the arms of which control the angle be- tween a plane glass surface and the face of a ...
Página 332
... apparatus giving a magnification of 50 . Errors of 0.0001 " in the thread form can be detected with this instrument ... apparatus for testing mirrors for defects in polishing , silvering , or in quality of the glass ; and apparatus for ...
... apparatus giving a magnification of 50 . Errors of 0.0001 " in the thread form can be detected with this instrument ... apparatus for testing mirrors for defects in polishing , silvering , or in quality of the glass ; and apparatus for ...
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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