74 



Rutherfurd Photographic Measures of 



Table II. — Corrections for Refraction. 



Position Angle, a- — s 

 P- s 



xio 3 



IT P 



Position Angle, °" — s 

 P- s 



XIO 3 



Tt p 



Plate 1. 



Plate 2. 



7i° 



251° + 



440 



O.O 



71° 



251° + 



427 



O.O 



8r 



261 



436 



— 5-4 



81 



261 



423 



— 4-7 



9i 



271 



422 



— 10.2 



91 



271 



411 



— 8.8 



ior 



281 



402 



-13-8 



IOI 



281 



394 



— 11.9 



in 



291 



377 



—15-7 



in 



291 



372 . 



—13-5 



121 



30 r 



3.SO 



—15-7 



121 



30 [ 



349 



—13-5 



131 



3ii 



325 



-138 



131 



3ii 



327 



— 11*9 



141 



321 



304 



— 10.2 



141 



321 



310 



— 8.8 



151 



33 ^ 



291 



— 5-4 



151 



331 



298 , 



— 4-7 



161 



341 



286 







161 



341 



294 , 



0.0 



171 



35i 



291 



+ 5-4 



171 



351 



298 



' + 4-7 



181 



1 



304 



+ 10.2 



181 



1 



310 



+ 8.8 



191 



11 



325 



+13-8 



191 



n 



327 



+ 11. 9 



t 201 



21 



35o 



+ 15-7 



201 



21 



349 



+ 13-5 



211 



3i 



377 



+ 15-7 



211 



31 



372 



+ 13-5 



221 



4i 



402 



+ 138 



221 



4i 



394 



+ ir.9 



231 



5i 



422 



+ 10.2 



231 



5i 



411 



+ 8.8 



241 



61 



436 



+ 5-4 



241 



61 



423 



+ 4-7 



251 



.7r ■ + 



440 



0.0 



251 



7i + 



427 



0.0 



Plate 3. 



Plate 4. j 



69° 



249° + 



494 



0.0 



70 



250 -f 



473 



0.0 



79 



259 



488 



— 7.0 



80 



260 



468 



-6.3 



89 



269 



471 



—13.2 



90 



270 



453 



— 11.8 



99 



279 



444 



-17.8 



100 



280 



429 



-I5-8 



109 



289 



411 



—20.3 



no 



290 



400 



—18.0 



119 



299 



377 



—20.3 



120 



300 



369 



—18.0 



129 



3°9 



344 



-17.8 



130 



310 



34o 



-15-8 



139 



319 



3i8 



—13.2 



140 



320 



317 



—11. 8 



149 



329 



300 



— 7-o 



150 



330 



301 



-6.3 



159 



339 



294 



0.0 



160 



340 



296 



0.0 



169 



349 



300 



+ 7-o 



170 



35o 



301 



+ 6.3 



179 



359 



3i8 



+ 13-2 



180 







317 



+ 11.8 



189 



9 



344 



+ 17.8 



190 



10 



34o 



+15-8 



199 



19 



377 



+20.3 



200 



20 



369 



+18.0 



209 



29 



411 



+ 20.3 



210 



30 



400 



+18.0 



219 



39 



444 



+ 17-8 



220 



40 



429 



+ 15-8 



229 



49 



471 



+ 13-2 



230 



50 



453 



H-n.8 



239 



59 



488 



+ 7-o 



240 



60 



468 



+ 6.3 



249 



69 + 



494 



0.0 



250 



70 " + 



473 



0.0 



