. Physical researches on sensation [by] Frank Allen [and others]. 82 .0166 .0162 .0174 .0191 84 .0178 .0173 .0186 .0203 86 .0195 .0191 .0208 .0232 87 .0206 .0255 88 .0233 .0233 .0246 .0302 .505m .480m .450m .425m e D sec. 1/D D sec. \/D D sec. \/D D sec. yD 0° 10 .0141 .... .0222 .0258 20 .0142 .0165 .0227 .0265 30 .01443 .0169 .0237 .0271 40 .0148 .0180 .0244 .0288 50 .0152 .018
. Physical researches on sensation [by] Frank Allen [and others]. 82 .0166 .0162 .0174 .0191 84 .0178 .0173 .0186 .0203 86 .0195 .0191 .0208 .0232 87 .0206 .0255 88 .0233 .0233 .0246 .0302 .505m .480m .450m .425m e D sec. 1/D D sec. \/D D sec. \/D D sec. yD 0° 10 .0141 .... .0222 .0258 20 .0142 .0165 .0227 .0265 30 .01443 .0169 .0237 .0271 40 .0148 .0180 .0244 .0288 50 .0152 .0187 .0256 .0303 60 .0159 .0203 .0277 .0338 70 .0175 .0223 .0309 .0381 75 .0184 .0250 .0347 .0431 80 .0206 .0277 .0382 .0511 82 .0219 .0298 .0410 84 .0235 .0329 • ■ . * 86 .0271 .0375 • • • > 87 .0304 .0409 .... 88 .0352 October, 1926] Variation op Visual Reflex Action 395 Table 4. .410|« I l/D .0347 .0.^60 .OJ72 .0397 .0420 .0439 A wide diversity of actions of colors is revealed by these gra[)hs for the red colors from .TOO/i and probably from the be-ginning of the spectrum, to nearly .66fV, consist of three branches. The at / X 0O 37.* --to 7i /J 70 1 ^ . A f>!) ■ ■ A fo Jl5 1 D .^C V k • % Ai /; i . / AO U V r 1^ / A K/ _/ v> ?/■ 1 / ^ . V y U,l 5o to Fig. 5. Porter graphs for the red, orange and yellcv coUrrs. I Ccs* 6. 396 Frank Allen [ & , 13 graph for .660/i has but two branches, though the uppermost four pointsindicate a slight tendency to form two more branches somewhat likethe graph for .650ju. From .66Qfji nearly to .572fx the graphs possess four branches. It isinteresting to note how greatly the graphs change with but slightvariations in wave length. This is shown in the series for the hues .660ju,.650fx, .640/i, .630/x
Size: 2119px × 1179px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectphysiol, bookyear1902
