The Technical World Magazine, Volume 13Technical World Company, 1910 |
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Page 32
... United States Geo- logical Survey for the calendar year of 1907. The report for that year was made under the direction of Mr. George Otis Smith , one of the most reliable and careful statisticians in the employ of the Federal government ...
... United States Geo- logical Survey for the calendar year of 1907. The report for that year was made under the direction of Mr. George Otis Smith , one of the most reliable and careful statisticians in the employ of the Federal government ...
Page 45
... United States published valuable , but to the non - scien- tific reader - uninteresting , accounts of this pusillanimous pest . All of these in- vestigators considered the flea from the standpiont of pure science and it was not until ...
... United States published valuable , but to the non - scien- tific reader - uninteresting , accounts of this pusillanimous pest . All of these in- vestigators considered the flea from the standpiont of pure science and it was not until ...
Page 46
... United States Public Health and Marine - Hospital Service during the San Francisco campaign against bubonic plague . Fleas are a branch of the fly family which has degenerated and fallen into evil days . In fact , no self - respecting ...
... United States Public Health and Marine - Hospital Service during the San Francisco campaign against bubonic plague . Fleas are a branch of the fly family which has degenerated and fallen into evil days . In fact , no self - respecting ...
Page 48
... United States Public Health and Marine - Hospital Service . An inter- esting series of experiments to determine this fact were undertaken by Passed As- sistant Surgeon George W. McCoy , the chief of the laboratory , and Mr. M. B. ...
... United States Public Health and Marine - Hospital Service . An inter- esting series of experiments to determine this fact were undertaken by Passed As- sistant Surgeon George W. McCoy , the chief of the laboratory , and Mr. M. B. ...
Page 52
... United States for the Philippines , Florida , Alaska and Louisiana . One hundred millions of dollars ! And all this that the barriers of the East and North rivers , which for so many years have hampered the movement and devel- opment of ...
... United States for the Philippines , Florida , Alaska and Louisiana . One hundred millions of dollars ! And all this that the barriers of the East and North rivers , which for so many years have hampered the movement and devel- opment of ...
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