SWEETENED CONDENSED MEtLK—CONDENSING 89 
Barometric Reading Corresponding with Different Altitudes.’ 
Barometric] Atmospheric , | Barometric Atmospheric | Altitude 
reading in} pressure in Altitude reading in | pressure in above sea 
inches of | pounds per above sea inches | pounds per level 
mercury | square inch |level in feet mereury | square inch in feet 
30.0 14.72 O 23.9 11.54 6412 
29.7 14.60 S61 ||) “Sa 1) ig 6977 
205 14.47 441 22:5 11.05 | 73554 
Be || fsa 710 20 |* 1080 | 8144 
29.0 | 14.23 SOO ae | 10.56 8747 
28.7 14.11 1163 21,0 10.3 | 9366 
28.5 13:98 1347) | 20.0 981 | 10648 
28.2 i386 | tees | 0 | 9.32 11994 
28.0 13.74 | 1812 | 18.0 8.82 13413 
27.55 13.50 2285 17.0 8:33 14914 
27.0 13.26 2767 16.0 7.84 16506 
26.5 13.02 = 257 15.0 239 18201 
26.0 L272 3758 14.0 6.86 19996 
25:5 12:53 4268 13.0 6.37 21891 
25.0 12.27 4787 12.0 5.88 | 23886 
24.5 12.03 5318 110 5.39 | 25981 
24.0 11.78 5859 | 
1 By courtesy of the Buffalo Foundry & Machine Company 
