1822.] a Body in Motion with Dead Weight. 169 
Taste I.—Table of the Weights requisite to compress the Spring. 
1 2 3 4 | | 
Comp.| Weight. | Weight. | Diff. j Cones Weht. Comp. |W ght. | Comp. Wight 
Inches. |Ib. oz. dr.) Ibs. lbs. ae | Ibs. |Inches.| Ibs. |Inches.| Ibs, 
04 4 2 0} 4125 — “1 | 0-342] -O1 | -034 | -001 | -003 
1 6 6 O| 6:375 | 2-250 "2 0-683} -02 | ‘068 | :002 | -007 
1z |8& O 0} 8-000 1-625 3 1:025| :03 | °102 | *003 | -010 
2 9 5 8 9-343 1+343 “4 1°367| ‘04 | -137 | 004 | -014 
22 |10 15 0) 10-937 1-594 5 1708} -05 | -171 | -005 | -O1T 
3 12. 8 O| 12°500 1-563 "06 | -205 | -006 | -020 
32 {12 15 0} 13:937 1-437 ‘OT | -239 | O07 | -024 
4 15 8 8| 15°503 | 1°566 70S | :272 } 008 | -027 
42 HT & O 17°375 1°872 |} of ‘09 | 307 | C09 | -03! 
5 19 8 0} 19-500 | 2:125_ "10 | 342 | -@10 | -034 
Mean 1-708 
fs“ 0°342 | 
qty (0°034 
ram 0-003 : ; u 
Tasxe II. 
Experiment 1. | Experiment 2. 
Weight 1b, Fall 6 inches. | Wght. 1 1b. Fall 6 in, 
1 2 Tit ah 3 
1 0791 | Diff || 0-810 Dif. | 
2 1-130 OS nS 0-327 | 
3 1430 0-300 1-428 0291 
4 1°653 0-223 || —s«b'T00 0-272 | 
5 1907 0-254 |; 1-917 Ors hir| 
6 2°142 0°235 2°206 0-283 
7 2°269 0:127 2°398 0-198 
8 2°31T 0-108 27532 0-134 
9 2°509 0-132 2°666 0134 
10 2°638 0°129 2838 O-172 From Table I. 
11 2-140 0-102 2-910 0-072 | “ Ibs. 
12 2-858 | O18 3-092 0°182 3-5 =13-93T 
13 29964 | OU106 || 93:298 0°206 0-3 = 1:025 
14 3°130 0166 || 3-473 0-175 005 = 0-171 
15 3°240 0-110 3516 0:043 003 0-010 
0-003 0 
16 3°390 0-150 3-746 0°230 
17 3°501 oll 3-934 0-188 15-142 
ig | 3-617 0-116 || *3-833 omer 
19 3-632 o015 || s8l2 
20 3°148 0-116 3°809 | 
21 3°764 0:016 3°854 | 
22 3°871 0-107 — 
23 3°878 0007 || 15°358 
24 | *3-868 os | 
25 | 3856 | 3-839 
26 3-871 
_ 21 3877 | 
415-472 
3-868 
Exp. 3°839 ~ 
Mean 3°853 | 
ra CT 
