The American Journal of Science and ArtsS. Converse, 1888 |
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Resultat 1-5 av 22
Side 116
... prism , and a parting parallel to the orthopinacoid . Both olivine and enstatite are nearly colorless or gray through enclo- sures of dust - like particles , and carry but few cavities . In addition to the minerals above mentioned there ...
... prism , and a parting parallel to the orthopinacoid . Both olivine and enstatite are nearly colorless or gray through enclo- sures of dust - like particles , and carry but few cavities . In addition to the minerals above mentioned there ...
Side 151
... prisms of extremely small angle , which allow light to pass through . Most of the me- tallic prisms were deposited by ... prism and a the deviation of the ray . These small quantities were measured by the micrometer of a Meyerstein ...
... prisms of extremely small angle , which allow light to pass through . Most of the me- tallic prisms were deposited by ... prism and a the deviation of the ray . These small quantities were measured by the micrometer of a Meyerstein ...
Side 259
... prism , and the parting parallel OP , due to gliding , as shown by Bauer , * is also very distinct . ( See Pl . VI , fig . 4. ) The ex- tinction is in all sections greatly inclined . Specimen No. 27 shows the actual contact of the ...
... prism , and the parting parallel OP , due to gliding , as shown by Bauer , * is also very distinct . ( See Pl . VI , fig . 4. ) The ex- tinction is in all sections greatly inclined . Specimen No. 27 shows the actual contact of the ...
Side 290
... prisms developed , the unit prism m , two macro - prisms and four brachy - prisms . The macrodome zone is also highly developed , the planes here corresponding very nearly in angle to the several prismatic planes measured from the same ...
... prisms developed , the unit prism m , two macro - prisms and four brachy - prisms . The macrodome zone is also highly developed , the planes here corresponding very nearly in angle to the several prismatic planes measured from the same ...
Side 292
... prism served to illuminate one shadow ; and for the other , monochromatic light of any desired color could be used . The intensities were adjusted to equality by cutting off more or less of the stronger light by means of a revolving ...
... prism served to illuminate one shadow ; and for the other , monochromatic light of any desired color could be used . The intensities were adjusted to equality by cutting off more or less of the stronger light by means of a revolving ...
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