THERMOMETER FOR THE DETERMINATION OF RELATIVE HEIGHTS. 125 
Thus, taking the observations made on the Bonhomme and the corresponding ones 
at Geneva and the Great St. Bernard, we have, 
Barom. Geneva. Boiling-point. 
720 97 mm. gives 209"335 
Obs d boil^-p t 197*700 197700 
195*4 11*635X548=6376 
2 3X24 = 55 55 
6321 X 1"059 = 6694 above Geneva Obs y . 
1334 Observ y above sea. 
Croix da Bonhomme above the sea 8028 feet. 
Barom. G.S.B. Boiling-point. 
563 94 mm. gives 197‘587 
197700 
•113X548= 61-9 
55 
1 16-9 X 1-0357= 121 below Great St. Bernard. 
8 170 Gt. St. Bernard above the sea. 
Croix du Bonhomme above the sea 8049 feet. 
