48 Joty—On the Conservation of Mass. 
(12). April 9th, midnight——CuSO,, 20 grms. ; HO, 25 c.c. 
2 sae 
| DEEZ 
HR cc 
essen 
SEBEL 
BOER UZ 
SSCL) 
PE eae ae Readings: 65, 64, 62, 59, 55, 50, 48, 48 
ft 49, 49, 50, 1, 48, 44, 40, 35, 31, 27, 23, 20, 
| 17, 16, 15, 15, 16, 18, 21, 25, 29, 33, 88, 44, 
77] 50, 56, 63, 70, 76, 82, 88, 94, 100, 105, 111, 
PAA |) 116, 121, 124, 127, 180, 183, 135, 136, 187, 
| 
Ra | 138, Stop. 
| S In this experiment, a very small westerl 
Hee ? : 
Bee torque was applied to the head one minute 
CIS] and a half before the release. At the moment 
| | | |& |] of making contact, a westerly force was begin- 
ra SLI ning, therefore, to take effect on the load; and 
4 ISN_| its existence is indicated in the final coming 
Too to rest of the beam against its westerly stop. 
In the knowledge of this, it is apparent that 
“| ft [-[ L IS|] am easterly force must be responsible for the 
(Ce ee sa easterly motion which begins immediately 
| | after contact, and persists for nearly three 
NH 
fae LIE IE eis minutes. There was, in fact, a westerly torque 
Ht of some 90 divisions of the scale at the moment 
BEERS EGe oe of experiment. 
