102 [Assembly 
TABLE OF BAROMETRICAL OBSERVATIONS. 
20. 
Places. 
s 
Barometer. 
Attached 
thermometer. 
Detached. 
Weather, 
Elba Iron Works, . 
Sum. of Whiteface 
7 A. M. 
11 A. M. 
6 P. M. 
6 P. M. 
28.25 
28.15 
25.25 
29.70 
65° 
67 
45 
71.9 
65° 
67 
45 
70.9 
Strong W. wind. 
21. 
Albany, 
Sum. of Whiteface 
Lake Placid, 
Elba Iron Works 
Williamstown, 
Burlington, 
30 
30.14 
30.11 
25.35 
28.31 
28.41 
29.33 
29.35 
29.34 
29.81 
29.86 
29.85 
16 60° 
72 
70.5 
44 
59 
65 
51 
71 
68 
68.9 
65.4 
63.8 
53.75 
73.10 
71.25 
Overcast. 
Wind brisk in the morning 
Wind strong from NE; d'y 
Wind light. 
Cloudy morning. 
The heights of the places mentioned in the table, as deduced 
from these observations, are as follows: 
Height of Whiteface above the level of the sea, 4.855* 
" of Lake Placid, " 1,917 
" of Whiteface above Lake Placid, 2,937 
" " " Lake Champlain, 4,762 
of Lake Placid above the Elba Iron Works, 17 
of Whiteface above Albany, 4,909 
From data not given in the above table, we have found the Elba 
Iron works are 233 feet above those at Newcomb. The former 
place is on the Au Sable, the latter on the north branch of the 
Hudson, about five miles from its source. The fall of the north 
branch of the Hudson from the Notch to the Newcomb Iron 
Works, is 1,130 feet. The fall of the Hudson from this place to 
* Deduced from its mean height, as obtained by observations made at Burlington and 
at Albany. 
