The Franklin Journal, and American Mechanics' Magazine1869 |
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Seite 16
... prisms . he finds a dark band exactly corresponding in posi tion with th ayar D , observed in the spectrum of the prominences and chromosphere . This same band he also found in several stars whose spectra bear a general resemblance to ...
... prisms . he finds a dark band exactly corresponding in posi tion with th ayar D , observed in the spectrum of the prominences and chromosphere . This same band he also found in several stars whose spectra bear a general resemblance to ...
Seite 35
... prism , the line of vision being horizontal , it was found that when the short . diagonal of the prism was vertical , the quantity of light reaching the eye was greater than when the long diagonal was vertical . When a plate of ...
... prism , the line of vision being horizontal , it was found that when the short . diagonal of the prism was vertical , the quantity of light reaching the eye was greater than when the long diagonal was vertical . When a plate of ...
Seite 38
... prism with its longer diagonal vertical . But as the sky - blue is gradually rendered impure by the introduction of particles of too large a size , in other words , as real clouds begin to be formed , the polarization begins to ...
... prism with its longer diagonal vertical . But as the sky - blue is gradually rendered impure by the introduction of particles of too large a size , in other words , as real clouds begin to be formed , the polarization begins to ...
Seite 52
... prisms used by Mr. Kirchhoff in his researches , a single bisulphide of carbon prism with a refracting angle of 60 ° , a collimator , and an astrono- mical telescope , each magnifying forty times , were found to be a sufficiently ...
... prisms used by Mr. Kirchhoff in his researches , a single bisulphide of carbon prism with a refracting angle of 60 ° , a collimator , and an astrono- mical telescope , each magnifying forty times , were found to be a sufficiently ...
Seite 56
... prism so as to have its narrowest edges towards the triangular ends , and its breadth parallel with the three parallel edges of the glass , it will be bent from its course , as is shown in the figure , and , moreover , will be spread ...
... prism so as to have its narrowest edges towards the triangular ends , and its breadth parallel with the three parallel edges of the glass , it will be bent from its course , as is shown in the figure , and , moreover , will be spread ...
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