...The dispersion of man must have been anterior to the development of anybut the rudest arts... 
J. W. Powell 「On Limitations To The Use Of Some Anthropologic Data」
...But the defects of colour remained, although their cause was unknown untilNewton carried out his experiments on dispersion and the solar spectrum...
George Forbes 「History of Astronomy」
... We have found in that the light-radiation of a star isdescribed by means of the total intensity (I), the mean wave-length (λ0)and the dispersion of the wave-length (σλ)...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...The mean wave-length of the photographic curve is,approximately, 450 μμ, with a dispersion of 16 μμ, which is considerablysmaller than in the visual curve...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...Even the dispersion is dependent on the variation of the temperature—directlyas the mean wave-length, inversely as the temperature of thestar (L...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...The characteristics of the stellar radiation are the mean wave-length(λ0) and the dispersion (σ) in the wave-length...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...The Jews after the Dispersion adopted the system of thus alternating thelengths of their months, and with some slight modifications it holdsgood to the present day...
E. Walter Maunder 「The Astronomy of the Bible」
...By using a high dispersion thefaculæ which give off K light can be correctly photographed, not only at thesun’s edge, but all over his surface...
George Forbes 「History of Astronomy」
...The intensity, the mean wave-length, and the dispersion of thewave-length are in a simple manner connected with the temperature (T)of the star...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...The mean wave-lengthis pretty closely defined by the colour, whereas the dispersion of thewave-length is found from the spectrum of the stars...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...We found indeed that the visual intensity curve isextended, approximately, from 400 μμ to 760 μμ, a sixth part of whichinterval, approximately, corresponds to the dispersion σ of the visual curve...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...It is in this manner possible to determinethe temperature of a star from a determination of its mean wave-length(λ0) or from the dispersion in λ...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
...We can therefore for each spectraltype compute the mean values and the dispersion of these attributes...
Carl Vilhelm Ludvig Charlier 「Lectures on Stellar Statistics」
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