The Rutherfurd Photograjihic Measures. 

 Table XXI. — Wilsing's Measures. 



149 



















Distance 



No. 



Date. 



Meas. 

 Dist. 





Equations of Condition. 



Cor- 

 rected 

 Distance. 



minus 

 Mean. 



V 



I 



1890 Oct. 14.43 



21.04 



I. 



r— 0.22JJ 



.82lI4-.04=:0 



20.986 



+'.004 



2 



22.43 



20.90 



I 



— 0.19 



—•79 



— .10 



20.847 



—-I35 



3 



Nov. 5.32 



20. S9 



I 



— 0.16 



—.70 



— .11=0 



20.S42 



— .140 



4 



Dec. 17.24 



20.95 



I 



— 0.04 



.21 



—.05=0 



20.935 



—.047 



5 



1891 Feb. 4.29 



20.99 



I 



+0.10 



+.48 



— .01=0 



21.024 



4-. 042 



6 



May 5-48 



21.04 



I 



+o.34 



4-.70 



+.04=0 



21.073 



4-.091 



7 



8.49 



20.97 



I 



+0-35 



+.68 



—•03 



2I.OOI 



+.019 



8 



11.46 



21.04 



I 



+0.36 



4--6 5 



4-.04 



21.071 



4-.089 



9 



11.47 



20.87 



I 



+0.36 



+.65 



—•13 



20.901 



—.081 



IO 



12.47 



20.81 



I 



+0.36 



+.64 



—.19 



20.837 



—•145 



ii 



29.46 



20.94 



I 



+0.40 



+.46 



—.06 



20.947 



—•035 



12 



June 5.49 



20.91 



I 



+0.42 



+•37 



— .09=0 



20.907 



—•075 



13 



16.44 



20.85 



I 



+0.46 



4-. 22 



—•15 



20.831 



—•151 



H 



17-47 



20.81 



I 



+0.46 



4-.21 



—.19 



20.790 



— .192 



15 



17-49 



20.76 



I 



+0.46 



4-.21 



—.24 



20.740 



— .242 



16 



Aug. 18.40 



21.12 



I 



4-0.63 



—.60 



+.12=0 



21.017 



4-.035 



17 



18.41 



21. II 



I 



4-0.63 



—.60 



4-.ii 



21.005 



+.023 



18 



18.43 



2I.IO 



I 



+0.63 



—.60 



4-. 10 



20.995 



4-.013 



19 



22.42 



2I.OI 



I 



4-0.64 



-.64 



+.01 



20.901 



—.081 



20 



23-44 



2I.03 



I 



+0.64 



-•65 



+•03 



20.920 



— .062 



21 



27.41 



2I.o6 



I 



4-o.66 



-.69 



4-. 06 



20.946 



—.036 



22 



27.42 



2I.20 



I 



4-0.66 



-.69 



4-. 20 



21.086 



4-. 104 



23 



28.45 



2I.04 



I 



4-o.66 



-.69 



4-. 04 



20.926 



—.056 



24 



28.46 



2I.l6 



I 



4-0.66 



-.69 



4-. 16 



21.046 



4-.064 



25 



29.38 



2I.02 



I 



4-o.66 



—.70 



4". 02 



20.905 



—.077 



26 



31-37 



2I.03 



I 



4-0.67 



—.72 



+•03 



20.912 



— .070 



27 



31-39 



2I.06 



I 



4-0.67 



—.72 



4-.06 



20.942 



— .040 



28 



Sept. 6.44 



2I.02 



I 



4-0.69 



-.76 



+.02=0 



20.896 



—.086 



29 



6.45 



21.12 



I 



4-0.69 



-.76 



+.12 



20.996 



4-.014 



30 



7.42 



2I.l6 



I 



4-0.69 



—•77 



4-.16 



21.036 



4--Q54 



3i 



7-43 



2I.l6 



I 



4-0-69 



—•77 



4-.16 



21.036 



+•054 



32 



9.46 



20.95 



I 



-I-0.69 



-.78 



—•05 



20.825 



—-I57 



33 



11.38 



2O.97 



I 



4-0.69 



—•79 



—•03 



20.844 



-.138 



34 



23-41 



2I.O3 



I 



4-0.72 



-•83 



4-.03 



20.898 



—.084 



35 



23-43 



21.14 



I 



+0.72 



-.83 



+.14 



21.008 



4-. 026 



36 



24-35 



20.87 



I 



+0.72 



-•83 



—•13 



20.738 



—.244 



37 



24.36 



21.22 



I 



4-0.72 



-•83 



4-. 22 



21.088 



4-.106 



38 



30.37 



2O.9O 



I 



4-0.75 



-.84 



— .10 



20.764 



—.218 



39 



30.38 



2I.04 



I 



4-0.75 



-.84 



4-.04 



20.904 



—.078 



