( *S>8 ) 
which they defcended (which at that time was covered 
with Deal Boards) notwithftanding their Weight and 
Velocity of Defcent. 
The following Experiments on the De/cent of Bodies in Jiip, 
were made in the fame manner, at the Place before men- 
tioned, an [veering very exactly with the former. 
Quickfilver Balls. 
Large thin Glafs Balls. 
Weight iti Diam. 
Grains, xoths of 
Inch. 
908— .8 — 
5195—8 — 
866 — .8 — 
747 — 7 i— 
808—71— 
784—7;— 
Time of falling Wt. inGr. Diam. Time of falling 
in -j Seconds. in -j Seconds. 
Inch, xoths. 
“8 510 — 5 .1 17 
— 8a little lefs. 642 — 5.2—— 16 
~8 599 — 5. 1 1 6 
-8 a little more. 515 — 5 0 i 6 i 
-8 485 — . 5 .0 — - — 17 
-8 a little more. 641 — 5.2 — -m6 
Thefe Experiments were made June the <yth 1710. at 
which time the Height of the Quickfilver in the Baro- 
meter was 29.7 Inches, and the Thermometer 60 De- 
grees above the Freezing Point. 
^ *'T' * . * . r*** • . . i 
Note, That the Quickfilver Balls, and the large thin 
Glafs Balls, were dropt together as they are ranged in 
. their fever al Lines, ■ , 
f'iT 1 
Olu 
fa “7 t 
fro y * Expert* 
-I: 
P ■) • 
I 
cl J i 
