[8yn 
Sound and Fire of a Gun, and the meafuringof the di- 
ftance of Thunder thereby > 
S7' The difierence of the weight of Animals hy 
Tranfpiration, ordinary and extraordinary:^ 
^8. The different proportions of the times of fleeping 
and waking in feveral Animals, particularly in Fillies 
5-9. The proportion between the length, weight and 
thicknels of the beft Bows and Arrows ? 
60, The different effedls of Bows at feveral bents up- 
on the fame Arrow > 
61, The different weights of Indico, Madder, Co- 
cheoneeh Weld, Fuftick and Logwood, that will dy the 
lame quantity of the fame Stufi^to a degree affigned ? 
62, How much of each of the faid dying ftuffwill 
produce black/** 
63 What is the proportion of Copperas and Gauls 
for the dying of wool into a black colour f 
With infinite more Experiments of this kind. 
Let- 
