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. 4
... fog - signal there , which was a Daboll trumpet , and another and better fog- signal was wanted . Some asked for a siren , some for a steam whistle , and some for a larger and better Daboll . So a battery of fog - signals , one of each ...
... fog - signal there , which was a Daboll trumpet , and another and better fog- signal was wanted . Some asked for a siren , some for a steam whistle , and some for a larger and better Daboll . So a battery of fog - signals , one of each ...
Стр. 60
... fog signals whose sounds are inaudible within them . They are also very variable in outline , and the distinctness ... signal , which is meanwhile kept regularly sounding , he becomes aware of having reached the proximal boundary of a ...
... fog signals whose sounds are inaudible within them . They are also very variable in outline , and the distinctness ... signal , which is meanwhile kept regularly sounding , he becomes aware of having reached the proximal boundary of a ...
Стр. 61
... fog signal's sounds become either refracted or annulled at the proximal boundary of the area . The frequent , if not the usual , recovery of the fog signal's sounds in strong intensity beyond the distal boundary of a pseudumbral area ...
... fog signal's sounds become either refracted or annulled at the proximal boundary of the area . The frequent , if not the usual , recovery of the fog signal's sounds in strong intensity beyond the distal boundary of a pseudumbral area ...
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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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