Annual Report of the Board of Regents of the Smithsonian Institution |
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Сторінка 176
two dark lines of absorption , where light of the arc spectrum was taken away .
Similarly , in the spectrum of iron , a great number of bright lines are found in the
green ; and if iron vapor is interposed between an electric arc light and the slit of
...
two dark lines of absorption , where light of the arc spectrum was taken away .
Similarly , in the spectrum of iron , a great number of bright lines are found in the
green ; and if iron vapor is interposed between an electric arc light and the slit of
...
Сторінка 183
It is customary to express the distances of the stars in light - years , for the
distances of the stars , if given in kilometers or miles , or even in terms of the
radius of the earth ' s orbit , are so enormous as to require many figures . Light ,
however ...
It is customary to express the distances of the stars in light - years , for the
distances of the stars , if given in kilometers or miles , or even in terms of the
radius of the earth ' s orbit , are so enormous as to require many figures . Light ,
however ...
Сторінка 736
First of all , with regard to the mixing of pigments as compared with the mixing of
colored lights , of course the two ... that the pigment particles have a certain
degree of transparency so that light partly penetrates them , certain rays being
ther ...
First of all , with regard to the mixing of pigments as compared with the mixing of
colored lights , of course the two ... that the pigment particles have a certain
degree of transparency so that light partly penetrates them , certain rays being
ther ...
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Бібліографічна інформація
| Назва | Annual Report of the Board of Regents of the Smithsonian Institution Mis. doc. Publication (Smithsonian Institution) |
| Автор | Smithsonian Institution. Board of Regents |
| Видавець | The Institution, 1914 |
| Оригінал із | Гарвардський університет |
| Оцифровано | 10 бер. 2008 |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |