XXX PROCEEDINGS. 
E : ~ a 
3 = = es oe oH ms 
eel ieee here megete |, eho ly wees al eet 
s | 22 | 8 | 23 | B8| 28 | Bs | Bes 
3 5 8 = S & 3 a 
A = ra ee = a > fa 
10®x 
First SERIES. 
Mar. 
16 15:6 -90368|22-2- ASD Wey A. 2 cll vce ovens [eee 
21 18.1 | 90.98|0.356 482 | 10 80 | 36.03 | 10.18 
Os eee POOR GUlmrowe 735 | 16.00! 35.69 , 8.68 
22 WieOneOleot eases 482 ee ee, ae 
22 17.6 |103.99| .335 981 | 20.04 | 36.73 | 8.69 
23 NSS i Oe Sill ee ever ASO a oye: \chc lll ooteanevea leek cate 
23 1829 (113-92) 323) | 122) | 25.32) 37.25: || Siz 
28 ISH |) CEES Coeds CL eee rae eae SN ISR BG. 
28 18.6 |123.21] .307 | 1467 | 29.76 | 36.57 | 9.89 
Apr. 
4 18.8 |137.41| .293 | 1714 | 35.88 | 37.16 | 10.68 
5 19.3 |138.38} .293 | 1714 | 36.36 | 37.42 | 10.48 
6 17.7 |150.37| .279 | 1956 | 40.80 | 36.88 | 12.54 
Apr | 
13 17.0 | 95.65] .345 | 482 | 12.22 | 35.86 | $.38 
13 17.4 102.16) 337 735 | 18.44 | 36.36 | 7.44 
13 17.5 |110.31| .324 | 981 | 23.80 , 36.35 | 7.51 
13 18.0 |121.13) .312 | 1222 , 29.26 | 37.15 | 7.85 
AA) | soeeae | 130.97} .3801 | 1467 | 33.64 | 37.28 | 8.95 
A) \\\ casas '141.83| .290 | 1714 | 38.48 | 37.36 | 10.10 
HY loobbe peu .99| .282 | 1956 | 42.30 | 37.96 | 11.37 
The first series of observations showed that the rigidity, as deter. 
mined, at first diminished with tension, then reached a minimum value, 
and finally increased, as the cord was more and more stretched,—an 
interesting result if it should be substantiated. Hence a second series of 
