Permanence of the Rutherfurd Photographic Plates. 233 



Results of the Measures, Plate 22, Y-coordinate (Rev'd). 

 Date of Measures, 1895, Dec. 11. 



o / // / // 



Temperature, 62.4, 64.0. Circle right 271 27 50, 27 50. 



Runs, +.0180, +.0200. Circle left 27 48, 27 47. 



Desig. 



Microm. Readings. 





Mean 



Screw 



Final 









of 



Star. 



On 

 Star. 



On Scale. 



DlfiF. 



2 



and Div. 

 Error. 



Reading. 



Obs'r. 











Line 



Reading. 













A34,E 



9.5080 



37 



10.1855 



0.6775 



0.3380 



+0.0021 



37-3401 



D. 



W 



9-0635 



37 



9.7380 



0.6745 











E 



9-5415 



37 



10.2225 



0.6810 



0.3375 



-f 0.0021 



37-3396 



D. 



W 



9-0525 



37 



9-7215 



0.6690 











t2 E 



9-4915 



37 



10.1790 



0.6875 



0.3401 



+0 0020 



37-3421 



J. 



W 



9.0125 



37 



9-6855 



0.6730 











E 



9-5305 



37 



10.2200 



0.6895 



0.3408 



-f 0.0020 



37-3428 



J. 



W 



8.9865 



37 



9.6600 



0.6735 











i8m, E 



9-53IO 



113 



9.7390 



0. 2080 



0. 1045 



— 0.0003 



I 13. 1042 



D. 



W 



9-0550 



113 



9.2650 



0. 2 100 











E 



9. 5485 



113 



9.7500 



0.2015 



0. 1048 



—0.0003 



I 13. 1045 



D. 



W 



9-0365 



113 



9.2540 



0.2175 











^3 E 



9-4835 



113 



9.7115 I 0.2280 



O.II56 



—0.0003 



I13-I153 



J. 



W 



8.9845 



113 



9.2190 0.2345 











E 



9-4915 



113 



9-7045 



0.2130 



0. 1074 



— 0.0003 



113.1071 



J. 



W 



9.0010 



113 



9-2175 



0.2165 











24 J), E 



9.5160 



64 



10. 1050 



0.5890 



0.2928 



+0.0042 



64.2970 



J. 



W 



9-0195 



64 



9-6015 



0.5820 











E 



9-4955 



64 



10.0790 



0.5835 



0.2899 



+0.0042 



64.2941 



J. 



W 



8.9990 



64 



9-5750 



0.5760 











n E 



9.5720 



64 



10. 1480 



0.5760 



0.2869 



+0.0042 



64.2911 



D. 



W 



9-0195 



64 



9-5910 



0.5715 











E 



9-5315 



64 



10. I 130 



0.5815 



0. 2894 



+0.0042 



64.2936 



D. 



W 



9.0415 



64 



9-6175 



0.5760 











A12, E 



9-4805 



91 



10.8780 



1-3975 



0.6991 



+0.0021 



91.7012 



J. 



W 



8.9885 



91 



10.3875 



1.3990 











^5 E 



9.5180 



91 



10.9105 



1.3925 



0. 6960 



+0.0021 



91.6981 



D. 



W 



9.0190 



91 



10.4105 



1-3915 











A 22, E 



9.4820 



50 



10.6575 



I- 1755 



0.5861 



+0.0014 



50.5875 



J. 



W 



8.9955 



50 



10.1645 



1. 1690 











76 E 



9-5215 



50 



10.6915 



1. 1700 



0.5851 



+0.0014 



50.5865 



D. 



W 



9-0375 



50 



10. 2080 



1-1705 











A24, E 



9-5345 



76 



9-5915 



0.0570 



0.0278 



+0.0049 



76.0327 



D. 



W 



9.0140 



76 



9.0680 



0.0540 











n E 



9-5150 



76 



9-5630 



0.0480 



0.0249 



+0.0049 



76.0298 



J. 



W 



9.0060 



76 



90575 



0.0515 











