Reflexion of Light from Iceland Spar. 26 



Table XII. — Observations with a Repolished Face (Elliptic Analyser). 



Mean 

 ?. 



Mean 

 r. 



R' 



Mean 

 R'. 



Mean 

 R. 



Mean 

 I. 



No. 1. 



No. 2. 



No. 3. 



No. 4. 



1 3fi 



ooo 



J,3 -VKftP 



lO ^SOO 



i 33 



lOO 



1 a 



42 -035° 



1 3fi 

 lOD 



•ft/Lft 



'±0 A 1 O 



1 33 



lOO 



•9ft<^ 



ZiOO 



41 



ftSrt 

 OovJ 



1 3fi 



DOHl 



A3 •! W 

 '*o 1 / / 



1 33 

 lOO 



•ft^ 



42 



•nfti 



UOl 



1 3f5 



794 



43-090 



1 33 



lOO 



•478 



41 



y ld 



1 3£ 



•884 



43-145 



1 33 



lOO 



•372 



41 



on 



1 3f? 



lOO 



•619 



43 -370 



1 33 

 lOO 



•578 



41 





1 3fl 

 100 



•455 



43-325 



1 33 

 lOO 



•480 



42 



UOl 



1 3fi 



lOD 



•607 



43 -535 



1 33 

 lOO 



476 



41 



91*7 K 

 0/ 



1 3fi 

 lOD 



•941 



43-291 



1 33 

 loo 



•269 



41 



y /y 



1 3fi 

 loo 



872 



43 -496 



1 33 

 lOO 



•525 



42 





1 3fi 

 loo 



•846 



43 -244 



1 33 

 loo 



•559 



41 



o/O 



1 3fi 

 lOO 



•841 



43 -267 



1 33 

 loo 



■485 



41 



y/ / 





136-737° 43 





133-501° 



/LI 



1 3*7 

 lo / 



080 



43 -196 



1 33 

 loo 



352 



41 



AQQ 



1 3f? 



•705 



43-305 



133 



•223 



42 



Ut)i 



1 3fi 



loo 



•865 



43 -511 



1 33 

 lOO 



•456 



42 



33^ 

 OOO 



1 3fl 



lOO 



•770 



43 -227 



1 33 



lOO 



•359 



41 



«39 



1 3fi 

 lOO 



731 



43-064 



1 33 

 loo 



•510 



41 





1 3fi 

 lOO 



•975 



43 *257 



1 33 

 lOO 



•693 



41 





1 3ft 



lOO 



•819 



43-126 



1 33 



lOO 



•277 



41 





1 3A 



lOO 



•796 



43-176 



133 



049 



41 





1 3fi 



lOO 



•890 



43 -290 



133 



402 



41 



«3^ 

 OOO 



1 3£ 



lOO 



•594 



43-338 



1 33 

 lOO 



•542 



42 



vOO 



1 3A 



lOO 



•621 



43 -577 



1 33 



lOO 



•491 



42 



loo 



1 3A 

 lOO 



•604 



43-670 



1 33 



lOO 



•221 



41 



yoy 





138-787 43 



31 1 



Oil 



133-381 



A 



4 



1 3A 

 loo 



•589 



43-562 



1 33 

 loo 



•311 



42 



•3A 1 

 oOl 



1 3A 

 loO 



•722 



43 -399 



1 33 

 loo 



•780 



42 



• (\AA 



1 3fi 

 lOO 



•705 



42 -967 



1 33 

 lOO 



637 



42 



1U0 



1 3ft 

 loO 



657 



43 -402 



1 33 

 loo 



•457 



42 



100 



1 3ft 

 loO 



•722 



43 -121 



1 33 

 loo 



•575 



42 



obo 



1 3A 

 loO 



•585 



43 -446 



1 33 

 loo 



•536 



41 



00/ 



1 3ft 

 loO 



•850 



43 -300 



1 33 

 loo 



•259 



41 



vol 



1 3*7 

 lo / 



•091 



43 -435 



1 33 

 lOO 



•326 



41 



•719 



136 



740 



43-329 



133 



•485 



42 



•062 



136 



824 



43 234 



133 



•410 



42 



•064 



136 



•774 



43-306 



133 



437 



41 



•972 



136 



•672 



43 -416 



133 



•327 



41 



•875 





136 -744 43 



326 



133 -461 



4 



136 



772 



43-640 



133 



•290 



41 



•894 



136 



•929 



43 -174 



133 



•542 



41 



•936 



136 



•732 



43 -289 



133 



•414 



41 



•937 



136 



645 



43 -557 



133 



•565 



41 



•900 



87-726° 



41 -952 



87 -666 



Means for " 

 1280 read- 

 ings. 



136 -758 



43-320 



133 -449 



42 -039 



41 -975 



87 -750 



87-732 



