Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1914 |
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Сторінка 251
... surface of the earth , generally the sea surface . It would be represented by taking an extended copper sheet or surface coated with a fairly good con- ductor to represent the earth's surface and mounting above it , but insulated from ...
... surface of the earth , generally the sea surface . It would be represented by taking an extended copper sheet or surface coated with a fairly good con- ductor to represent the earth's surface and mounting above it , but insulated from ...
Сторінка 262
... surface by placing upon it just a sheet of thin paper . Then I scatter on the surface a little talc powder and place upon it a trace of oil by means of a very fine capillary tube . The oil spreads out rapidly from the tale in a circle ...
... surface by placing upon it just a sheet of thin paper . Then I scatter on the surface a little talc powder and place upon it a trace of oil by means of a very fine capillary tube . The oil spreads out rapidly from the tale in a circle ...
Сторінка 305
... surface tension above its critical temperature of 374 ° ( except perhaps in so far as salts in solution may have the ... surface is entitled to be considered an original component of the lava with as much right as the sulphur or the ...
... surface tension above its critical temperature of 374 ° ( except perhaps in so far as salts in solution may have the ... surface is entitled to be considered an original component of the lava with as much right as the sulphur or the ...
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