Permanence of the Rutherfurd Photographic Plates. 257 



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

 Date of Measures, 1896, Jan. 3. 

 Temperature, 65.0, 64.0. 

 Runs, +.0180, +.0200. 



II I II 



Circle right 182 26 20, 26 20. 

 Circle left 26 21, 26 22. 



Desig. 

 of 



Microm. Readings. 



DiflF. 



Mean 



Screw 

 and Div. 



Final 



Obs'r. 





On Scale. 



Star. 



On 

 Star. 







2 



Error. 



Reading. 





Line 



Reading. 



A34,E 



9.0240 



28 



10.2205 



1-1965 



0.4604 



+.0007 



28.9611 



D. 



W 



9.5200 



29 



10.1650 



0.6450 











E 



9.0140 



28 



IO.2115 



I-1975 



0.4612 



+ .0007 



28.9619 



D. 



W 



9-5095 



29 



10.1570 



0.6475 











in E 



8.9820 



28 



10.1925 



I. 2105 



0.4685 



+.0007 



28.9692 



J. 



W 



9-4925 



29 



10.1560 



0.6635 











E 



9.0040 



28 



10.2160 



1. 2120 



0.4678 



+.0007 



. 28.9685 



J. 



W 



9-5025 



29 



IO.1615 



0.6590 











i8m, E 



9-OI55 



100 



9-9095 



0.8940 



0.3041 



+.0007 



100.8048 



D. 



W 



9-5295 



loi 



9.8520 



0.3225 











E 



9.0140 



100 



9-9015 



0.8875 



0.3022 



+.0007 



100.8029 



D. 



W 



9-5205 



lOI 



9.8420 



0.3215 











ns E 



9.0020 



100 



9-9115 



0.9095 



0.3135 



+.0007 



100.8142 



J. 



w 



9-5145 



lOI 



9.8590 



0.3445 











E 



9.0100 



100 



9.9090 



0.8990 



0.3088 



+.0007 



100.8095 



J. 



W 



9.5080 



lOI 



9.8440 



0.3360 











24P, E 



9.0130 



65 



10.9980 



1.9850 



0.8474 



+.0027 



66.3501 



J. 



W 



9.4900 



66 



10.8945 



1.4045 











E 



8.9865 



65 



10.9670 



1.9805 



0.8464 



+.0027 



66.3491 



J. 



W 



9-5075 



66 



10.9125 



1.4050 











1^9 E 



9-0345 



65 



10.9715 



1.9370 



0.8314 



+.0027 



66.3341 



D. 



W 



9.5100 



66 



10.8985 



1-3885 











E 



9.0080 



65 



10.9500 



1.9420 



0.8329 



+.0027 



66.3356 



D. 



W 



9-5125 



66 



10. 9020 



1-3895 











A5, E 



8.9980 



92 



9-9125 



0.9145 



0.3194 



+.0012 



92.8206 



J. 



W 



9-5015 



93 



9.8645 



0.3630 











180 E 



9.0480 



92 



9.9700 



0.9220 



0.3170 



+ .0012 



92.8182 



D. 



W 



9-5300 



93 



9.8760 



0.3460 











A6, E 



9.0015 



91 



10.7850 



1-7835 



0.7509 



+.0010 



92.2519 



J. 



W 



9-5090 



92 



10.7290 



1.2200 











181 E 



9.0230 



91 



10.8035 



1.7805 



0.7496 



+.0010 



92.2506 



D. 



W 



9-5190 



92 



10.7370 



1. 2180 











An, E 



9-0175 



76 



10.5325 



1-5150 



0.6195 



+.0032 



77.1227 



D. 



W 



9.5260 



77 



10.4890 



0.9630 











182 E 



8.9870 



76 



10.5045 



1-5175 



O.6191 



+-0033 



77.1224 



J. 



W 



9-4915 



77 



10.4505 



0.9590 











