262 Permanence of the Rutherfurd Photographic Plates. 



Results of the Measures, Plate 16, Faint Stars, X-coordinate 

 (Rev'd). — {Continued ). 



Desig. 



of 



Star. 



Microm. Readings. 



Diff. 



Mean 

 2 



Screw 



and Div. 



Error. 



Final 

 Reading. 



Obs'r. 



On 



Star. 



On Scale. 



Line 



70 

 69 

 70 

 69 



77 

 77 

 77 

 77 



104 

 103 

 104 

 103 



Reading. 



A26,E 

 W 



201 E 

 W 



A27, E 

 W 



202 E 

 W 



A36,E 

 W 



203 E 

 W 



9-5435 

 9.0150 

 9.4910 

 9-0135 



9-5405 

 9-0415 

 9-5035 

 9.0020 



9.5270 

 9.0240 



9-4775 

 9.0025 



10.4790 

 10.4960 

 10.4200 

 10.4795 



11.0675 

 9.1225 



11.0325 

 9.0850 



9-6475 

 9-6975 

 9.6045 



9-6715 



0.9355 

 I.4810 

 0.9290 

 1.4660 



1.5270 

 0.0810 

 1.5290 

 0.0830 



0.1205 



0.6735 

 0. 1270 

 0.6690 



0.6041 

 0.5988 



0.4020 

 04030 



0. 1985 

 0.1990 



+.0034 

 -f.0034 



+.0040 

 +.0039 



+.0004 

 +.0004 



70. 1075 

 70. 1022 



77.4060 

 77.4069 



103.6989 

 103.6994 



D. 

 J. 



D. 

 J. 



D. 

 J. 



