Joty—On the Conservation of Mass. 47 
(11). Apri 6th, noon.-—CuSO,, 20 grms. ; 
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DOCS 
TRANS. ROY. DUB. SOC., N.S., VOL. VIII., PART II, 
HO, 25 c.c. 
Readings: 4, 3, 6, 11, 
16, 20, 25, 27, 30, 38, 35, 
37, 38, 39, 39, 39, 39, 38, 
37, 36, 34, !, 32, 30, 26, 24, 
AD, WS, WH Le, IO, BX Br, 
33, 40, 48, 57, 67, 78, 89, 
100, 111, 122, 134, 145, 
156, 167, 177. Stop. 
The experiment is, on 
the whole, apparently in- 
dicative of a westerly 
force. 
