482 INDEX. 
Maximum effect of machines, some new observations upon, 
247, et seqg.—erroneous conclusions respecting it, 249. 
Mechanic power, -a phrase adopted by Mr. Smeaton to sig» 
nify moving force, that is, the pressure into the space, 
or the mass into the square of the velocity, 224. 
Mechanical Problems solved, 285, et seq. 
Micrvier of birds, remarks on, 453—1table of the times 
f, 472, 
Myuwes, Dr. observes the question of the vis viva is not 
merely verbal, 132 
riments, 163 
his remark on SMEATON’s expe- 
his remarks on Mactaurin’s ingenious 
proposition, 183. — 
Moving force, on the measure of, 105, et seq.—reasons for 
adopting the: phrase, 225—— definition of it, ibid. 
is quite distinct from motive force, chid.—tules for esti- 
mating the quantity of it expended in producing motion 
and in producing change of figure, 229, et seq.—four 
distinct effects of moving force produced in one instance, 
213. 
i N 
National character, essay on, 328. 
Newron, Sir Isaac, his doubtful proposition of two globes 
revolving around their common centre of gravity which 
moves in a straight line, considered and explained, 
210, et seq. on the reaction of effluent water, 234. 
Nicnotson, Mr. Matthew, his account of athunderstorm, 259. 
Nouns the basis of language, 78—verbs derived from them, 
88 adjectives also derived from them, 91. 
O 
Oxygenous gas consumed in respiration in a day, 2.6 lbs. 
troy, 26. 
P 
Plants, time of flowering in different latitudes, 466. 
Pressure in mechanics one of the two elements of moving 
force, 223, 
2 
