Changes in the wave-frequencies of the lines of emission spectra of elements . /^3 l^^ ^6^/i? (S<f-<il ^-^Qyr-i-z^-^(^<-c^i,^ ^-j^-^iSi^ /-t^-c^^ts^^^n^t^ ..^^?^itx-</iy ?--z^^iiiJ-T^-^cJy^ ...^£<:^i:c -^c^i^-^uL ^ a-^^^^^a^n^^^t-^^^-cc- ^-^^t-^v<L(U<2^.

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Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectspectrumanalysis