. Physical researches on sensation [by] Frank Allen [and others]. fi inH^ii. i>. As these measurements are tedious to make, I yieldeilto the temptation to determine those curves, and a few others,as will l((> iiotiiHd. only for tlioso parts where experience shows GO Prof. F. Allen on Four Transition Points in the the elevations can occur. There can be no doubt that therest of the curve would cohicide with the normal. Fig. ■4Q/J. •50 -55 -60lA/aye Length. The transition point was thus narrowed down to the wave-length XSdOfi. The eye, therefore, was fatigued with thiscolour, and from t


. Physical researches on sensation [by] Frank Allen [and others]. fi inH^ii. i>. As these measurements are tedious to make, I yieldeilto the temptation to determine those curves, and a few others,as will l((> iiotiiHd. only for tlioso parts where experience shows GO Prof. F. Allen on Four Transition Points in the the elevations can occur. There can be no doubt that therest of the curve would cohicide with the normal. Fig. ■4Q/J. •50 -55 -60lA/aye Length. The transition point was thus narrowed down to the wave-length XSdOfi. The eye, therefore, was fatigued with thiscolour, and from the data obtained, Table IV., the curve infig. 4 was plotted. ^jifclniiit ami llit Ilinmru oionr •^tiifaliinif. CI IV. X. K Vt« flit •li \ . X. Norm;PtreiiiU 1 liPC, i , ■r^ivifi U171 »9C. •()17i»»cc. (59:. (1-1- 1 ! .) .(Ml • •tLll (>(>:t •niiiM . • t t7<i ... •oiv*:* fUll •niM ( !(.(» •1 ..•!.•!•_• iiH •(ti:,7 ■ 1-i:. .5. •U:)i:i ... t3 OO <0 045 t I £ye fiitigued wi\ \h 1 X 6S//J. I Nnrrn;:il — — — 040 1 \\ I 035 1 / / *■ 030 • \ 1/ / \ / / \ / / \ f 1 025 \ \ • \ / f \ // \ // 020 \ It V r / J X \ ^ i A \ \ // 015 ** ***^•^•C^^ jC ^ 1 •40;/ 45 •50 55 60 65Wji/e Length. •70 No elevation? at all a|i]VarU:lioiit tlifir length. Thissurprising resu


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectphysiol, bookyear1902