APPENDIX. 317 
m vacuo the Heat incrcafed from forty 
feven to feventy, but in the Air, only from 
forty feven to fifty feven Degrees, It was 
“ the fame in Number 24, in 27 and 28, in 
31 and 32, in 50 and 51, in 52 and 53, in 
‘‘ <^3 and 6^4. 
• ^‘82. With fome Mixtures, though theue 
be no vifible EfFervefeences in the open 
Air, there are great ones in vacuo., as in 
Number i and 2, in 50 and Ji, in 52 
and 53. 
“ 83. There are Effervefcences which are 
hot in the Air, but acquire no Heat in 
“ vacuo, as was the Event in Number 43 
“ and 44. 
“ 84. There are fome Effervefcences which 
produce a greater Degree of Cold in va^ 
cuo than in the open Air, as in the Mix- 
** ture of Spirit of Wine and Oil of Fennel 
“ Number 5. 
^^85. There are others which produce 
^ Heat in the open Air, but Cold in vacuo^ 
as in the Mixture of Crabs-Eyes and Vi- 
negar Number 9, lo. 
8(j. There is fometimes a great Heat ac- 
quired without a fenfiblc inteftine Motion, 
‘f as on the Mixture of Oil of Vitriol and 
Water, Number 72, 73, 74. 87, 
