PROFESSOR KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
155 
Hydrated Sulphate of Lime, GaSG 4 +2 H 2 O. Cleavage pieces of transparent Gypsum 
from Reinhardtsbrunn, in Thuringen. 
Experiments with Naphtha A. Glass 2. Temperature of the Air 13°-2-13°-7. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
47-2 
15-6 
15-29 
12-32 
grms. 
26-94 
grms. 
4-335 
grms. 
2-115 
0-431 
giro. 
0-487 
0-261 
47-4 
15-8 
15-53 
12-57 
26-99 
„ 
99 
99 
5) 
0-261 
45-7 
15-8 
15-53 
12-73 
26-96 
99 
99 
99 
„ 
0-260 
44-2 
16-0 
15-73 
12-13 
26-94 
99 
2-095* 
99 
5? 
0-252 
Mean . . . 0-259 
73. Crystallized Sulphate of Copper , Gu SG 4 -J-5 H 2 0. Crystals of Blue vitriol dried 
in the air. 
xperiments with Naphtha A. 
Glass 
1. Temperature of the Air 14 c 
•1-14°- 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
o 
0 
o 
o 
grms. 
grms. 
grm. 
grm. 
50-8 
16-4 
16-08 
12-82 
26-99 
4-12 
1-65 
0-431 
0-651 
0-290 
47-3 
16-4 
16-05 
13-12 
26-965 
99 
99 
„ 
„ 
0-290 
46-7 
16-5 
16-16 
13-34 
26-99 
99 
99 
99 
99 
0-281 
45-0 
16-6 
16-26 
13-63 
26-965 
99 
1-635* 
99 
99 
0-277 
Mean 
0-285 
Crystallized Sulphate of Manganese, Mn S0 4 -J-5 H 2 O. Crystals of the salt isomor- 
phons with blue vitriol. 
speriments with Naphtha A. 
Glass 
2. Temperature of the Air 14' 
3 -l-14°-2. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
O 
o 
o 
o 
grms. 
grms. 
grm. 
grm. 
48-5 
16-7 
16-42 
13-23 
26-945 
4-12 
1-97 
0-431 
0-487 
0-332 
45-7 
16-4 
16-14 
13-24 
26-945 
99 
99 
99 
0-323 
46-5 
16-7 
16-43 
13-53 
26-98 
99 
99 
0-313 
44-0 
16-8 
16-53 
13-85 
26-945 
99 
1-955* 
99 
?? 
0-322 
Mean 
0-323 
Crystallized Sulphate of Nickel, Ni S0 4 -{-6 H 2 0. Crystals of quadratic nickel 
vitriol dried in vacuo. 
xperiments with Naphtha A. 
Glass 
1. Temperature of the Air 15 
°-6-16°- 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
o 
O 
o 
o 
grms. 
grms. 
grm. 
grm. 
52-5 
18-0 
17-74 
14-61 
26-97 
3-60 
1-655 
0-431 
0-651 
0-307 
50-3 
17-7 
17-42 
14-37 
26-995 
99 
99 
5) 
0-322 
51-5 
17-7 
17-36 
14-24 
26-985 
99 
„ 
0-313 
52-8 
181 
17-82 
14-62 
26-94 
9* 
1-63* 
5? 
,, 
0-314 
Mean 
0-313 
After drying the stopper. 
