PROFESSOR GRAHAM ON THE MOTION OF GASES. 
605 
may really differ quite as much in specific gravity; the specific gravity of carbonic 
oxide found by Wrede being 0*8754, on the oxygen scale, while that of nitrogen by 
Regnault is 0*8785. 
Table XIX. — Transpiration by Capillary H into a three-pint jar. Barom. 30*232. 
Gauge barometer in inches. 
Air. 
Oxygen. 
Carburetted hydrogen. 
I. 
n. 
I. 
II. 
I. 
IF. 
65°-25 
65°-25 
66° 
66° 
66° 
66° | 
28 
0" 
0" 
0 ' 
0" 
O'' 
O'' 
24 
215 
216 
239 
240 
131 
131 
20 
229 
230 
255 
256 
141 
141 
12 
555 
553 
617 
6 1 6 
338 
338 
8 
393 
393 
439 
437 
240 
240 
66° 
66° 
66° 
66° 
66°-25 
66°-25 
From 28 to 8 inches 
1392 
1392 
1550 
1549 
850 
850 
Mean Results. 
Gauge barometer. 
Air. 
Carburetted hydrogen. 
From 28 to 24 inches < 
From 24 to 20 inches < 
From 20 to 12 inches ■ 
From 12 to 8 inches < 
Time in seconds 
Time of oxygen =1... 
Time in seconds 
Time of oxygen =1... 
f Time in seconds 
Time of oxygen =1... 
f Time in seconds 
Time of oxygen = 1... 
215-5 
0-8997 
229-5 
0-8982 
554 
0-8986 
393 
0-8972 
131 
0-5474 
141 
0-5518 
338 
0-5482 
240 
0-5479 
. 0 . , f Time in seconds 1392 
From 28 to 8 inches < e . „ on „„ 
4 lime of oxygen =1... 0-8983 
850 ; 
0-5485 
Table XX. — Transpiration by Capillary IT into a six-pint jar. 
Barom. 30T96— 30*174. 
Gauge barometer in inches. 
Oxygen. 
Carburetted hydrogen. 
Hydrogen. 
Air. 
I. 
II. 
I. 
II. 
I. 
II. 
I. 
II. 
66°-75 
66°-75 
66°-75 
66°-75 
66°-75 
66°-75 
67° 
67° 
28-5 
O’' 
0" 
0 ' 
0" 
0" 
0 ' 
0" 
O'' 
26-5 
228 
232 
126 
128 
102 
101 
207 
204 
24-5 
235 
233 
130 
128 
102 
104 
212 
211 
23-5 
121 
121 
66 
67 
54 
54 
108 
110 
67° 
67° 
67° 
67° 
67° 
67° 
67° 
67° 
From 28-5 to 23-5 inches... 
584 
OO 
322 
323 
258 
259 
527 
525 
Mean Results. 
Gauge barometer. 
Carburetted hydrogen. 
Hydrogen. 
Air. 
From 28-5 to 23-5 inches \ T ” f ' 
l lime ot oxygen =1... 
322-5 
0-5512 
258-5 
0-4418 
526 
0-8991 
