ScienceJohn Michels (Journalist) 1939 |
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Page 79
... established , but as yet no one has proved that the flea does not migrate into the interior every year . Realizing ... Establish- ment for identification . These came from Youngs- town , Ohio , and since Ewing and Fox2 have already ...
... established , but as yet no one has proved that the flea does not migrate into the interior every year . Realizing ... Establish- ment for identification . These came from Youngs- town , Ohio , and since Ewing and Fox2 have already ...
Page 432
... established in 1913 in honor of Dr. Howard Taylor Ricketts , who discovered the typhus germ and died a martyr to his discovery in Mexico . Awarded annually on May 3 , the anniversary of his death in 1910 , the prize is given to a ...
... established in 1913 in honor of Dr. Howard Taylor Ricketts , who discovered the typhus germ and died a martyr to his discovery in Mexico . Awarded annually on May 3 , the anniversary of his death in 1910 , the prize is given to a ...
Page 476
... established industry brings about a temporary , and sometimes a permanent , displacement of human labor in that particular field . Hence if one , in making his observations , selects a " microscope " and focuses it upon these immediate ...
... established industry brings about a temporary , and sometimes a permanent , displacement of human labor in that particular field . Hence if one , in making his observations , selects a " microscope " and focuses it upon these immediate ...
Contents
Sci 105 | 1 |
Philosophical Society American 382 E G CONKLIN 436 | 9 |
ALEXANDER J Science in the Old South | 12 |
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