Letter Circular 273: papers on colorimetry from the ...

-2-PapersOnColorimetry TitleandAuthor Dateof issue Paper No. Price ***TALBOTrSLAWASAPPLIEDTOTHE ROTATINGSECTOREDDISH EdwardP.Hyde March1 1906 S26 15*$ ***APOCKETSPECTROPHOTOMETER P.G.Nutting July15, 1906 s39 (5*S) ***kCOMPLETEFORMOFFECHNER’SLAW P.G.Nutting Dec,15, 1906 s49 (5*$)***PURITYANDINTENSITYOFMONOCHRO- MATICLIGHTSOURCES P.G.Nutting Sept.1 1907 ................
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