596 MR J. Y. BUCHANAN ON THE 
TABLE II.—continued. 
Expansion of Micrometer 
So es sbe Divisions, 
Manometer |°f Mano Length of Glass Rod 75°05 inches. 
Series No. 2. ay East West Diameter of de. : seni 5p 
: E as es Weicht of aye ; ‘5 grammes. 
End. ia bedi 1 Divan of miabronieter —0-000417" 
A,-A B+C= 
eg Be l=. C D 
~~ 172-0 |100] 620 | 7 | 26 | 33 | Date, 7th June 1880. | 
72°8 |10°1 | 62°7 18 16 34 Temperature (Centigrade) | T Aaa 
72°6 |10:2 | 62-4 14 20°5 | 34:5 | Number of observations : i: 7 
VIIL| 71-7 | 10:3 | 61:4 16 17 33 Pressure in atmosphere P | Ax313 | 195 
730 | 10-4 | 62°6 9 25 34 Linear compression . F |0:000417D| 0:0140 
73°0 | 10°7 | 62°3 10°5 23 33°5 oa 106 
73-0 110-9 | 62-1 10 24 34 Do. per million . H 7oRY 187°2 
62-21. 33-7] | Do. per atmosphere . K = 0:961 
Cubical compression, per ; 
10° per atmosphere i al ele — 
Vo°8)\| Li | G8°7, 11 26°5 | 37°5 | Date, 7th June 1880. 
80°6 | 11:2 | 69-4 12 25 37 Temperature (Centigrade) | T 12°8° 
80°5 | 11:2 | 69:3 11 25°5 | 36:5 | Number of observations | ... oi 10 
80°5 | 11:4 | 69-1 12 26 38 Pressure in atmospheres | P | Ax3'13 | 216 
80°8 | 11-4 | 69-4 11 27°5 | 38:5 | Linear compression . F |0:000417 D| 0:01547 
TX, |80°5 | 11°5 | 69:0 20 15°5 | 35:5 ste 106 
80°5 111°6 68:9 13 94 37 Do. per million . H 75-05 05 206°1 
80°5 |11°8 | 68: 2 lg 37 
80-0 111°8 res 7 95-5 36°5 Do. do. per atmosphere K = 0:957 
80°5 |11°8 es 12 25°5 | 37°5 Copier) compression, per \ 7 a sah 
men 37-10 per atmosphere 
88'0 | 12:0 | 76:0 11 29 40 Date, 7th June 1880, 
89:9 1121 | 778 il 29 40 Temperature (Centigrade) | T 129° 
88°9 | 12:2 | 76:7 11 28 39 Number of observations | ... a 6 
X. | 88:5 | 12:2 | 76:3 14 27'5 | 41°5 | Pressures in atmospheres | P | Ax 3-13 | 240 
88°5 |12°3 | 76:2 17 22°5 | 39°5 | Linear compression . F |0:000417D| 0:01671 
88°5 | 12:3 | 76:2 hsb: | 29 40°5 106 
ae ‘ __| Do. per million . H 75-05 222°6 
76°53 40:08 
Do, do. per atmosphere K 4 0-929 
Cubical compression, per ; 
10° per atmosphere \ a oS giles 
