/ 



of the Rutherfurd Photographs. 209 



Table III. — {Continued.) Plate V: y Measurements. 



Star. 



y direct. 





y reversed. 







^ m, or 









Yz m, or 









Scale minus Star. 









Scale minus Star. 







Line. 







(S— 



K 



Line. 







8—K 



Schl. 



Kretz. 



Schl. 



Kretz. 



15 



54 



0.7016 



0.7006 



+ c 



)'.'o5 



64 



0.8646 



0.8650 



— 0.02 



15 



54 



0.6999 



0.7008 



— 



.05 



64 



0.8626 



0.8652 



— -14 



2 



51 



0:3171 



0.3152 



+ 



.10 



68 



0.2526 



0.2556 



— .16 



3 



36 



0.7258 



0.7270 



— 



.06 



82 



0.8448 



0.8426 



+ .11 



4 



19 



0.6431 



0.6422 



+ 



.05 



99 



0.9318 



0.9300 



+ .08 



6 



68 



0.9181 



0.9I75 



+ 



.02 



50 



0.6506 



0. 6496 



+ .05 



8 



69 



0.6558 



0.6568 



— 



•05 



49 



0. 9089 



0.9072 



+ .10 



10 



47 



0.6930 



0.6931 



— 



.01 



7i 



0.8759 



0.8748 



+ .06 



11 



4i 



0.9518 



0.9546 



— 



•13 



77 



0.6155 



0.6144 



+ .06 



14 



75 



0.6389 



0.6386 



+ 



.02 



43 



0.9291 



0.9300 



— .04 



16 



20 



0.4612 



0.4616 



— 



.02 



99 



0. 1 1 06 



0.1068 



4- .20 



17 



38 



0.5500 



0.5489 



+ 



.06 



.81 



0.0182 



O 0166 



+ .08 



18 



39 



0.3969 



0.3975 



— 



•03 



80 



O.169S 



0.1715 



— .09 



20 



38 



0.6178 



0.616S 



+ 



•05 



80 



0.9494 



0.9476 



+ .08 



22 



70 



0.3664 



0.3648 



+ 



.08 



49 



0.2002 



0.2016 



— -07 



23 



67 



0.8894 



0.8892 



+ 



.02 



51 



0.6755 



0.6768 



— -07 



24 



38 



0.0^04 



0.0291 



' + 



•07 



81 



0.5392 



0.5402 



— -05 



25 



48 



0.5638 



0.5661 



— 



.12 



71 



— .0008 



—.0005 



— .02 



26 



25 



0.5840 



0.5829 



+• 



.06 



94 



— .0120 



— .0119 



— .01 



27 



47 



0.4309 



0.4311 



— 



.01 



72 



O.I349 



O.I350 



— .01 



28 



58 



0.6628 



0.6626 



+ 



.01 



60 



0.9031 



0.9042 



— -05 



29 



82 



0.2832 



0.2811 



+ 



.11 



37 



0.2871 



0. 2846 



+ -13 



15 



54 



0.7029 



0.7028 



-f-0.01 



64 



0.8622 



0.8644 



— 0/13 



15 



54 



0.7035 



0.70 1 1 



+ 



•13 



64 



0.8644 



0.8636 



+ .03 



1 



70 



0.4172 



0.4164 



+ 



.04 



49 



0.1516 



0.1570 



— -29 



5 



83 



0.6724 



0.6675 



+ 



.26 



35 



0.8962 



0.8986 



— .12 



7 



35 



0.6772 



0.6771 



+ 



.01 



83 



0.8942 



0.8971 



— .14 



19 



80 



0.5896 



0.5870 



+ 



.14 



39 



—.0152 



—.0150 



— .01 



23A 



69 



0.4802 



0.4760 



+ 



.22 



50 



0.0929 



0.0920 



+ .05 



3i 



38 



0.9318 



0.9305 



+ 



.08 



80 



0. 6404 



0.6350 



+ -29 



32 



15 



0.1042 



0.1020 



+ 



.12 



104 



0.4722 



0.4699 



+ .12 



34 



50 



0.8502 



0.8475 



'+ 



• 15 



68 



0.7165 



0.7156 



+ .05 



35 



88 



O.H54 



0.1 148 



+ 



•03 



3* 



0.4542 



0.4576 



— .18 



37 



4i 



0.4381 



0.4368 



+ 



.07 



78 



O.I349 



O.I339 



+ .05 



39 



64 



0.7380 



0.7364 



+ 



.08 



54 



0.8279 



O.8278 



+ .01 



40 



19 



0.7798 



0.7792 



+ 



•03 



99 



0.7938 



0.7948 



— .06 



43 



61 



0.6096 



0.6090 



+ 



•03 



57 



0-9594 



0.9584 



+ .04 



44 



81 



0.0361 



0.0339 



+ 



.12 



38 



0.5328 



o.5342 



— -07 



45 



30 



0. 1700 



0.1699 



+ 



.01 



89 



0.3978 



O.4001 



— -13 



