SOME ACCOUNT 
LATE MR. EWART’S PAPER 
ON THE 
MEASURE OF MOVING FORCE; 
AND OF THE RECENT APPLICATIONS 
OF THE 
PRINCIPLE OF LIVING FORCES TO ESTIMATE THE 
EFFECTS OF MACHINES AND MOVERS. 
By EATON HODGKINSON, F.R.S., F.G.S. 
(Read 30th of April, 1844.) 
Having been requested, by several leading 
members of this society, to give some further 
account of Mr. Ewart’s scientific labours—parti- 
cularly that on the ‘“‘Measure of Moving Force,” 
Manchester Memoirs, Second Series, Vol. 2.— 
than came within the plan of Dr. Henry’s elegant 
“Biographical Notice,” I shall confine myself, 
principally, to the very laborious and ingenious 
U 
