APPENDIX. 299 
whereby the Heat was increafed from for- 
ty feven to fifty feven Degrees. 
“ 15. But when the like Mixture was made 
in Vaciio^ there was a great and frothy EL 
fervefcence, which continued long, and 
“ dilTolved the Metal much more than in the 
foregoing Experiment ; the Heat increafed 
from forty feven to feventy Degrees ; the 
Mercury in the Gage did not ftir. 
16’. A Dram of Bifmuth being thrown 
into a like Quantity of Spirit of Sea Salt, 
there arofe a vaft frothy EfFervefcence, with 
white Fumes 5 the Heat was fo great as to 
rife from forty feven to a hundred and fif- 
teen Degrees. The fame being repeated in 
Vacuo, there was a very great frothy Eftcr- 
vefcence, with riling Fumes, but the Heat 
was only from forty feven to ninety four De- 
grees ; the Mercury in the Gage fell four 
Inches. 
17. A Dram of Golden Marchafite be- 
ing thrown into three Drams of Spirit of 
Salt, there was no Effervcfcence, and very 
‘‘ little of it diffolved in a Month, the Hcac 
only from forty feven to forty eight \ De- 
grees. 
18. But 
