Table I. 

 Silver. 



Observer. 



Mino 



Tate 



Minor 



Tate 



Minor.... 



Tate 



Drude ., 



Minor 



Tate 



Drude . . 

 Ingersoll 

 Tate 



Insrersoll 



231/i 



250 



298 



346 



395 



450 



460 



500 



500 



550 



580 



589 



589 



620 



630 



65 



660 



700 



87 



25 



75 



25 



n. 



OIK. 



1-43 



Ml 



149 



1-32 



1-56 



091 



0219 



1-10 



0-155 



1-91 



0-164 



2-39 



0-270 



325 



0-169 



2-94 



0-273 



3-56 



0-176 



331 



0-284 



4-20 



0-181 



3-67 



0-177 



364 



0-291 



4-52 



0-203 



3-96 



0-154 



4-34 



0-299 



4-87 



0-308 



5 20 



0-203 



6-07 



0-37 



8-88 



0-55 



12-3 



0-77 



15-4 



^(lO)- 1 - 

 A 3 ^ ; 



129' 



125- 

 53-6 

 5-80 

 4-81 

 4-29 



3-97 



3-50 



3-15 



243 



1-83 

 rr>9 

 1-27 

 1-04 



r. 



157 

 15-4 



io-i 



3 41 

 301 

 2-91 



2-74 



2-57 



2-44 



2-14 



1-89 

 1-77 

 1-55 

 1-41 



n%K 2 -l). 



A. 



K. 



-0-80 



46-3 



471 



-0-47 



51-8 



52-8 



-1-61 



49-5 



nil 



4-1-10 



409 



39-7 



8-64 



25 6 



22 



5-67 



32-8 



271 



8-63 



38-1 



29-5 



10-9 



43-4 



32-5 



13-2 



47-0 



33-8 



18-8 



50-1 



31-3 



86-8 



79-1 



42-3 



78 6 



152- | 



78-4 



151- 



2(i0- 



109- 



230- 



394- 



164- 



Fig. 1. — Silver, 





16 





















!4- 



\ 



\ 



















12 



1 













^' 



140 





IO 



L 















120 





8 



_r 









^ 



^" 







too 





6 



\ 







„--"' 









So 





A- 



.F \ 





^' 











60 





2 



V.'' 



.--" 















40 





t 







a*- 









r 



t 



ISO 





cs 





/ 













Ifl 



/ 







/ / 















1.00 









*y/ 



Jfs 















a 73 





19 



3 



5 



/ 

 t 



/ 















om 























02f> 





\ V _ 



jiJels— 



U££l^ 



tl~-~ -~~~~~ 











t 























—- A 



o. 



=*, 



M. 



o. 



50^— 



a 



7Q4J- 1. 



30/W 1 i 



tCy*. 



i. 



:oa- '• 



7&~ 



e. 



0^~ 2.i 



