556 On the Force of Steam or Vapour 
If we divide these ratios, according to obser. 
vation, they will stand thus: * 
Force’ at *32°= ,200 inch. 
4-° $50 
77= siygto 
3. 846 
422°= 3. 500 Ratios 
3. 214 
167° = 11, 250 
2. 666) 
212° = 30. 000 
If we divide these again, they become ; 
Forceat 32° = 5200 inch. 
ee 
542 = 2435 
2, 09 
SW Roa 29190 
2. 00 
99% = 1. 820 
1. 92 
122° = 3. 500 \- Ratios 
1, 84 
144% = 6. 450 
- 1. 75 
167° = 11. 250 
Mer Neg 
189°: — 18. 800 
1. 59. 
212° = 30. 000 
By another division we obtain the ratios for 
