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. 59
... acoustic shadow of a sta- tionary visible object , usually a small elevated island , or a ridge of land running out into the water , at , or near , one side of which the fog signal is located . That is , such an area is simply one which ...
... acoustic shadow of a sta- tionary visible object , usually a small elevated island , or a ridge of land running out into the water , at , or near , one side of which the fog signal is located . That is , such an area is simply one which ...
Стр. 61
... acoustic shadow caused by the elevated island . D , represents a schooner with all sails set and close hauled . E , represents another vessel , within the montumbral area , where of course the direct sounds of the fog signal are ...
... acoustic shadow caused by the elevated island . D , represents a schooner with all sails set and close hauled . E , represents another vessel , within the montumbral area , where of course the direct sounds of the fog signal are ...
Содержание
Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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