122 
PKOFESSOE KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
Experiments with Naphtha A. Glass 3. Temperature of the Air 16 0, 7. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• y- 
X» 
sp. H. 
O 
o 
0 
o 
grms. 
grms. 
grm. 
grm. 
51-6 
18-7 
18-36 
15-80 
26-97 
8-67 
1-635 0-431 
0-453 
0-109 
51-0 
18-6 
18-26 
15-73 
26-995 
55 
55 55 
0-110 
50-8 
18-6 
18-26 
15-72 
26-96 
55 55 
5? 
0-112 
52-3 
18-6 
18-33 
15-66 
26-95 
” 
1-625 * „ 
Mean 
?? 
0-113 
0-111 
Oxide of Copper, €u O. Granular freshly ignited oxide of copper. 
Experiments with Naphtha A. Glass 1. Temperature of the Air 17°T-17 0, 9. 
T. 
O 
51- 1 
52- 0 
51T 
50-8 
T'. 
19-2 
19-3 
19*4 
19-4 
t'. 
18-86 
18- 95 
19- 11 
19-07 
t. 
16-23 
16-23 
16-43 
16-43 
M. 
grins. 
26-965 
26-985 
26-94 
26-97 
m. 
grins. 
6-295 
/• 
grm. 
1-85 
y- 
0-431 
1-83 * „ 
Mean 
X. 
grm. 
0-651 
sp. H. 
0-123 
0-126 
0-132 
0-131 
0-128 
Oxide of Lead , PbO. Larger pieces of litharge freed by the sieve from the finer 
particles. 
Experiments with Naphtha A. Glass 3. Temperature of the Air 17°-4-17°-6. 
T. 
O 
T'. 
O 
t'. 
0 
t. 
0 
M. 
grms. 
m. 
grms. 
/• 
grms. 
y- 
X. 
grm. 
sp. H. 
51-5 
19-1 
18-83 
16-51 
26-965 
10-17 
2-11 
0-431 
0-453 
0-0559 
50-4 
19-1 
18-84 
16-63 
26-95 
?? 
55 
0-0532 
49-2 
19-0 
18-73 
16-56 
26-98 
„ 
55 
55 
0-0567 
48-5 
19-0 
18-73 
16-63 
26-985 
2'10 * „ 
Mean 
55 
0-0554 
0-0553 
Oxide of Mercury , HgO. Crystalline pieces of Mercurius prcecipitatus per se, freed 
by the sieve from finer particles. 
Experiments with Naphtha A. Glass 1. Temperature of the Air 17 0, 4-17 0- 6. 
T. 
T'. 
t\ 
t. 
M. 
m. 
/• y- 
X. 
sp. H. 
O 
0 
0 
0 
grms. 
grms. 
grm. 
grm. 
53-1 
19-3 
19-03 
16-64 
26-985 
8-45 
1-925 0-431 
0-651 
0-0506 
52-0 
19-1 
18-83 
16-46 
26-975 
55 
„ 
55 
0-0547 
51-5 
19-1 
18-83 
16-53 
26-935 
55 
„ 
0-0510 
50-4 
19-1 
18-82 
16-56 
26-965 
” 
1-915 * „ 
Mean 
55 
0-0557 
0-0530 
Hydrate of Magnesia , MgO + H 2 0. Transparent cleavage laminae of Brucite from 
Texas in Pennsylvania. Dried at 40°-50°. 
After drying the stopper. 
