of Edinburgh, Session 1884-85. 319 
Paraffin Oil. 
Temp. 
in 
Thermal Effect on applying Pressure, j 
Thermal Effect on relieving Pressure. 
Degrees 
Centi- 
grade, 
Pressure. 
Deflec- 
tion. 
Temp. 
liaised. 
Rise 
per Ton. 
Pressure. 
Deflec- 
tion. 
Temp. 
Lowered. 
Fall 
per Ton. 
18° 
24-3 
6’4 
P'49 
l°-39 
237 
6-37 
1°*46 
l°-39 
16° 
44 3 
10-5 
2° -44 
r-22 
45 
10-8 
2°-51 
l°-25 
39° 
457 
117 
2° 74 
l°-34 
44 
12-2 
1 
2° -84 
l°-45 
Florence Oil . 
19° -3 
23-5 
5*66 
l°-3 
1°‘26 
23 
5-58 
P-29 
l°-26 
20°-8 
47-2 
11-02 
2°’62 
1°‘24 ! 
47'2 
n. 
2° -81 
l°-34 
21° 
63 
14-6 
OO 
V 
o 
CO 
l°-24 
671 
16'8 
4°”0 
l°-34 
Linseed Oil. 
19°-5 
22-5 
5-0 
P*19 
1°-19 
22 3 
5-1 
P-21 
P-21 
1 6°‘6 
45 
8-0 
l°-90 
0 a, 95 
45 
8-2 
l°-95 
0°-96 
68' 
11-9 
2°-83 
0°-94 
68-5 
12-35 
2° -94 
0°-96 
Castor Oil. 
27 
3-9 
0°-93 
0°78 
25 -6 
375 
0°-89 
o 
o 
00 
49 
6-4 
l°-52 
0°-69 
47 
6-6 
P-57 
0°75 
Sulphuric Ether. 
21° 
23-3 
7-9 
P-9 
P-8 
22-5 
8-0 
P-9 
l°-9 
46-2 
15-04 
3° -58 
1°74 
45 
15-44 
3°-67 
l°-83 
70 
22 
5° -2 
r-67 
66-5 
21-5 
5°-l 
1° *73 
5. On a Method of Measuring the Resistance of Electrolytes 
without endeavouring to prevent Polarisation. By Mr 
W. Peddie. 
In the case of a metallic conductor the resistance may he got at 
once by means of Ohm’s Law. But when the conductor, the resist- 
