[ 10 ] 
and the folid employed was a fimall glafs ball containing mercury 
which loft 27,88 grs, of its weight when weighed in water in 
temperature 56°, fufpended commonly by a horfe-hair, but when 
dipped in flrong nitrous and marine acids it was fufpended by 
a fine gold wire, and then loft 27,78 grs. of its weight in 
water. 
I avso examined and reétified, in fome inftances, many parts 
of the firft 50 numbers of the table in the fame manner, but in 
general I found them jutft. 
Table 
