( 680 ) 
TABLE III. JENA GLASS. 
ate 
WAB 
WBC 
uCD 
| 
TABLE IV. 
1° 
0° 
A B Ce eed BE F G Eon NE | 
Dato] Mesa | Teme | ip zo | | So 
| | 
20 V.| 4410 | 15.58 |1012.594 |1012.587 | top 6.66 | 6.29 
63 | 595 588 | middle 36.04 | 33.95 | 16.03 
„69 „503 ‚587 | bottom 10.66 | 10.47 
22 V 17.74 |4011, 834 |1011.865 | top 5.10 | 6.29 n= 
BMS 5.61 
17.82 „886 868 | middle 22.15 | 33.95 |- 87.87 
18.00 844 .880 | bottom 6.98 10.17 DE 
78.1 
22 V| 520 | 18.32 10i4.827 1011-868 | top 5.01 | 6.29 en 
18.44 ‚815 858 | middle 22.43 | 33.95 |- 87.87 a 
bottom 6.91 10.47 n= 
82.0 
23 V.| 445 | 16.68 |1012.567 1012.579 | top 668 | 6.99 
16.68 573 .585 | middle 36.09 | 33.95 | 46.44 
bottom 10 72 10 17 
25 V.| 12410 | 46.08 1G11.408 1011.409 | top 482 | 6.29 Nez 
„13 Alt | _ m3 | middle -8.77 | 33.95 |-482.99 = 
47 | „406 „409 | bottom 4.37 10.17 DE 
51.0 
25 VJ 445 | 46.38 011.407 HOM .414 | top 4.68 | 6.99 = 
55 401 aal | mite 8.77 | 93.98 eol 
bottom 4.34 10.47 i 
| 52.8 
26 V.| 340 | 17.30 |1012.565 |1012.588 | top 6.70 | 6.29 
49 567 594 | middle 36.12 | 33.95 | 16.64 
| bottom 10.66 10.17 
ss gl ae 
