British Almanac and CompanionStationers' Company, 1878 |
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8. oldal
... spectrum ; for trying what effect would be produced by viewing sunlight through the thick vapour of nitrous gas , he found that a number of new dark lines appeared in the solar spectrum , chiefly in the violet ; and that further , when ...
... spectrum ; for trying what effect would be produced by viewing sunlight through the thick vapour of nitrous gas , he found that a number of new dark lines appeared in the solar spectrum , chiefly in the violet ; and that further , when ...
9. oldal
... spectrum as that of sodium , he took that of iron , which contains several hundred lines . Arranging his spectroscope so as to have the two spectra the one above the other , he found that every bright line in the spectrum of iron found ...
... spectrum as that of sodium , he took that of iron , which contains several hundred lines . Arranging his spectroscope so as to have the two spectra the one above the other , he found that every bright line in the spectrum of iron found ...
10. oldal
... spectrum many of the dark lines which are seen in that of the sun when it is low down , although none were seen when it was examined close at hand . He also found that from that elevation , 9,000 feet , the atmospheric lines in the ...
... spectrum many of the dark lines which are seen in that of the sun when it is low down , although none were seen when it was examined close at hand . He also found that from that elevation , 9,000 feet , the atmospheric lines in the ...
Tartalomjegyzék
The Music of the Year 1877 | 1 |
Law and Justice | 217 |
Trade and Commerce | 225 |
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