of bars at the temperature of melting ice. 451 
Comparisons of 8, and Z, at the temperature of melting ice. 
Micro-readings. | 
' Date. | ‘Time. | Bar. Observer. Remarks. 
KF WwW 
1883 
Jan, 28|11 45a.M.| Si | 28°059| 24°462) A. R. F. ye bars packed in ice ten min- 
058} 462) and s before readings on them 
061} 463) R.5. ake made 
060 458 
51 Z, | 28°044| 24:371 
050 374 
039 370 
048 374 
56 S; | 28°010} 24°387 
27°998 334 
9 339 
9 4) 
59 Z, | 277943) 24°260 
950 262 
939 257 
950 57 
12.04p.m.| S, | 27°697| 24:243) E.S. W 
701 1 
680 238) W. V 
688 59 
09 Z, | 27°861) 24°190 
861 83 
857 176 
848 176 
is Si | 27690) 24°189 
686 186 
687 189, 
688 186 
re Z, | 27689) 24-018 
692 020 
682 018 
679 020 
Jan. 29} 8.27 S, | 28-122) 25°088| A. R. F. Both bars fully packed in ice at 
31 11 153' 031; and 10 P. M. 
35 , | 165 134 E.S,W./Temperature of comparing-room 
38 Z, 002) 24°855 56° F. 
42 1 01 949 
45 1 | 27°988 846 
48 1 935 909 
51 i, | 28°020 913 
55 + (27918 905 
58 ‘i 892 ee. 
9.01 : 99: 962 
Jan. 30) 7,23 , |28°208) 121| B.S. W. |Both bars arn = covered with 
30 : $1 099 ‘ ice at 7.0 
36 1 273; 164 temperate te ‘comparing-room 
40 iy 262 066 
45 2 124; 039) R. 58. W. 
49 = 430} 241 
55 1 161 102 
59 iy 509} 332 
8.03 1 034) 23°971| E.S. W. 
06 1 161) 24°010 
12 , | 27808) 23-822) R. S. W. 
2 ‘ 890| 771 
