the Meafurement of Heights with the Barometer . 6 8 5 
Place of obferva- 
tion. 
4-1 ■ 
JZ 0 •> 
br it*— 
'Z ^ ^ 
By my tables, 
By Col. roy’s t; 
—A. _ . 
lC: | 
i 
•SI -5 
2 = p 
Computed 
height. 
Err r 
in feet. 
Error on f 
loop feet.] 
Computed 
1 height. 
Error 
in feet. 
Error on 
1000 feet. 
a v 
Station at Weem 1 
and top of Bol- f 
frack’s Cairn, J 
Ditto ftation and j 
1076 5 
1074.2 
“ 2.3 
2.1 
1075*5 
— 10 
O9 
mi<*j 
0 00 
^0 
I24O.6 
0.0 
56 
top of Dull-craig, J 
1244-5 
“ 3-9 
3 1 
1244.4 
- 0. 1 
Ditto ilation and 1 
South obf. on > 
2O98.O 
2O96.O 
- 2.0 
— 
0.9 
2091.3 
- 6.7 
— 
3-2 
52 2 
Schehallien, J 
Ditto ftation and 'j 
Weft fummit of ? 
328l.O 
3292.5 
+ 11,5 
4 - 
3-5 
3279.0 
— 2* 
— 
0 6 
50I 
Schehallien, J 
3261.3 
-19.7 
— 
6 T 
3 2 52.5 
-29.5 
*— 
8.9 
4 -H 
Carmichael well | 
1642.5 
1653.6 
4* 11. 1 
4 * 
6.7 
1 646.9 
4 - 4.4 
+ 
2.7 
54 i 
and top of Tinto, J 
1645.° 
+ 35 
+ 
2.1 
1642 7 
4 - 0.2 
4 - 
0.1 
48 
Level of Hawk-'j 
hill and fmall I 
rock on Arthur’s f 
7 0 2.4 
704.2 
4- 1.8 
+ 
2.5 
703* 
+ i *3 
4 - 
1.9 
20| 
Seat, J 
Bale of Hawkhill \ 
Obfervatory and 1 
684.O 
684.1 
4- 0.1 
4 - 
0.1 
686.7 
4 - 2.7 
4 - 
3*9 
17 
bottom of the | 
— 
685.4 
4 - 1.4 
4 - 
2.0 
687.0 
4 - 3.0 
+ 4*4 
68| 
fmall rock, J 
Hawkhill garden- > 
door and bottom 1 
7 3°. 8 
723.0 
- 7.8 
10.7 
7218 
- 9.0 
“•3 
29! 
of the rock on [ 
745.8 
4 * 15*0 
4- 20.6 
748.4 
4 * 17.6 
4 - 24.2 
/i 
Arthur’s Seat, J 
Linhoufe and Eaft -j 
Cairn hill, f 
I 176.6 
1 182.5 
+ 5*9 
4 - 
5 *o 
1 1 80.0 
+ 3*4 
4 - 
2.9 
30 i 
Carnarvon Quay 
and IVIoel liilio, j 
2371 . 
2397*4 
4-26.4 
4 - 11. 2 
2393*3 
+ 22.3 
4 - 
9.4 
62 1 
Carnarvon Quay n 
and Peak of > 
355 5 - 
3563-1 
4- B.i 
4 - 
2-3 
3551*3 
" H 
. „ 
1.0 
5 6 j 
Snowdon, ) 
1 
355 i *5 
- 3*5 
1.0 
3548*4 
— 6.6 
" 
1.9 
53 
Mean error 
4 - 
2.0 
| Mean error 
1 4 
Thus 
