The Effect of Pressure upon Arc SpectraNo5Nickel, $\lambda $ 3450 to $\lambda $ 5500, Including an Account of the Rate of Displacement with Wave-Length, of the Relation between the Pressure and the Displacement, of the Influence of the Density of Material and of the Intensity of the Spectrum Lines upon the Displacement, and of the Resolution of the Nickel Spectrum into Groups of Lines . mm <: X » A= -34-SO N / C KE L. \ = :i74-o Co Co Co Fe 15 10 15 20 f 30 \3S -to IS \.SI^^^^^^^^1 || L Ml | 1 1 1 ^J II [|| | | III | 1 1 11 1 1 1 1 1 1 II. to + 20 + 40 + go ]|**%^H >tH | 4 so

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectproceed, bookyear1915