Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 32
... less than that of the preceding year , is , in part , compensated for by the unusual value of sundry individual specimens . Among these may be mentioned examples of tungsten minerals both from domestic and foreign sources , including a ...
... less than that of the preceding year , is , in part , compensated for by the unusual value of sundry individual specimens . Among these may be mentioned examples of tungsten minerals both from domestic and foreign sources , including a ...
Сторінка 250
... less commonly the arsenates of these metals . These substances can be included in the batch mix- tures of ordinary ... less concentration , moderate - sized pieces of the glass may even solidify in a perfectly clear condition , but again ...
... less commonly the arsenates of these metals . These substances can be included in the batch mix- tures of ordinary ... less concentration , moderate - sized pieces of the glass may even solidify in a perfectly clear condition , but again ...
Сторінка 258
... less depth of color altogether . What there is is a somewhat violet blue in the case of the potash glass , a rather lighter and more violet blue in the soda glass , and a still lighter pink violet in the lithia glass . This nearly pink ...
... less depth of color altogether . What there is is a somewhat violet blue in the case of the potash glass , a rather lighter and more violet blue in the soda glass , and a still lighter pink violet in the lithia glass . This nearly pink ...
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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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