264 Permanence of the Rutherfurd Photographic Plates. 



Results of the Measures, Plate 16, Faint Stars, Y-cooruinate 

 (Rev'd). — ( Continued ). 



Desig. 



of 

 Star. 



Microm. Readings. 



Diff. 



Mean 

 2 



Screw 



and Div. 



Error. 



Final 

 Reading. 



Obs'r. 



On 



Star. 



On Scale. 



Line 



Reading. 



A26,E 

 W 



210 E 



W 



A27, E 

 W 



211 E 

 W 



A 36, E 

 W 



212 E 



W 



9-5285 

 9.0280 

 9.4900 

 8.9985 



9-5440 

 9.0470 

 9-5165 

 9-0035 



9.5370 

 9.0580 

 9.4810 

 9-0055 



22 



22 

 22 

 22 



74 

 74 

 74 

 74 



68 

 68 

 68 

 68 



9.7310 



9-2495 

 9.6860 

 9.2105 



11.5065 

 1 1. 0105 

 11.4730 

 10.9630 



10.5845 

 10. I 105 



10.5315 

 10.0595 



0. 2025 

 0.2215 

 0.1960 

 0.2120 



1.9625 

 1-9635 

 1-9565 

 1-9595 



1.0475 

 10525 

 1.0505 

 1.0540 



0. 1060 

 0. 1020 



0.9815 

 0.9790 



0.5250 

 0.5261 



+.0007 

 +.0008 



+.0013 

 + .0013 



+.0015 

 +.0015 



22.1067 

 22.1028 



74.9828 

 74.9803 



68.5265 

 68.5276 



D. 



J. 



D. 



J. 



D. 

 J. 



