Science, Том 23John Michels (Journalist) American Association for the Advancement of Science, 1894 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 50
... inches instead of two , and , more than that , this four - inch step was allowed to extend out over the one just beneath it for a short distance . The dam was about twelve feet high , and the angle was enough to place the top of the dam ...
... inches instead of two , and , more than that , this four - inch step was allowed to extend out over the one just beneath it for a short distance . The dam was about twelve feet high , and the angle was enough to place the top of the dam ...
Стр. 52
... inches , or a diameter of 43 inches - certainly a quite dignified tree . This stands in the open field and is as broad and spreading as an oak in the same circumstances . It is very picturesque and greatly admired by all lovers of fine ...
... inches , or a diameter of 43 inches - certainly a quite dignified tree . This stands in the open field and is as broad and spreading as an oak in the same circumstances . It is very picturesque and greatly admired by all lovers of fine ...
Стр. 129
... inches clear aperature is a reality , and Alvan Clark , its makers has said that it will be finished the coming summer . Brashear has completed the star spectroscope , and is about to commence the solar spectroscope and the spectro ...
... inches clear aperature is a reality , and Alvan Clark , its makers has said that it will be finished the coming summer . Brashear has completed the star spectroscope , and is about to commence the solar spectroscope and the spectro ...
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Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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