446 M. de luc’s Barometrical Obfervations on 
In. L. i6thof Lines. Log* 
At 1 h. the baro-1 
meter at Oder-brucke I25 9 3 = 4947 36943,419 
muft have been at, J 
At the Brocken, 
at 1I1. 5 m. % 8 f } mean 2 9 8 3 = 4739 36756,867 
Difference, — — 
On fetting out from 1 
Oder-brucke the heat > — 3 4^- 1 
of the air was at - J 
At our return, - -31^- 
At the Brocken, — 
>-33 
-40 
- 36 ^ 
confeq. 
Lll. to 
1000 
deduct, 
186,552 
► 1 3,6i S 
Height of the Brocken above Oder-brucke, 172,934 
By 
P. L. i6deLig. Log. 
A midi | le barometre devoit etre a Oder- brucke,25 9 3 == 4947 36943,419 
Au Brocken, | ? T'h.^ m. 24 8 1 } mo y en > 2 4 8 3=4739 3 6 75 6 )867 
Difference,- 
— 
— 
186,552 
En partant d’Oder-brucke, l&chaleur de 1 
I’air etoit* — — J 
Au retour, - — — 
Au Brocken, — * — — 
~ 341 1 
— 3 *i J 
'—33 
— 40- 
) -361 ' 
>donc -r lbs 
J a deduire* 
| 1 3)6 1 8- 
Hauteur du Brocken fur Ockr-brucke,, 
— 
— 
172,934 
Par 
