Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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... close of hostilities . At the time of the signing of the armistice several valuable devices were being perfected by Dr. Abbot and the observatory staff , among them a recoilless gun devised by Dr. R. H. Goddard , of Clark College ...
... close of hostilities . At the time of the signing of the armistice several valuable devices were being perfected by Dr. Abbot and the observatory staff , among them a recoilless gun devised by Dr. R. H. Goddard , of Clark College ...
Сторінка 9
... close of the year for Cape Town , Africa , from which city arrangements were to be made for the plunge into the interior of the continent . The expedition is to collect animals , plants , and other material for uses of comparison in ...
... close of the year for Cape Town , Africa , from which city arrangements were to be made for the plunge into the interior of the continent . The expedition is to collect animals , plants , and other material for uses of comparison in ...
Сторінка 241
... close as possible to that of the metal intended to be used , and there is no doubt that this question of expansion has to be taken into account . In making a large num- ber of glasses and in experimenting with them there did not appear ...
... close as possible to that of the metal intended to be used , and there is no doubt that this question of expansion has to be taken into account . In making a large num- ber of glasses and in experimenting with them there did not appear ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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