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years since, made a successful effort to
introduce knowledge among the working class=
es, - (Here we should have none other) by estab-
lishing libraries, and series of lectures, imparting
useful knowledge upon a plan rendering it
accessible to all. Intelligent farmers & mechanics,
and, my dear friend, in such men no part of the
world is more fruitful than our own, should
be encouraged to lecture to their neighbors. rev.
(I will not again call him Lord) Brougham remarks,
that by far the grandest discoveries in Natural Science
were made with the most simple apparatus. A pan
of water and two thermometers were the tools that de-
tected latent heat - a prism, a lens, and a sheet of para-
board, enabled Newton to unfold the composition of
light and the origin of colors: - Franklin shew
the nature of lightning with a kite, a wire, a bit of
vibana & a key, - to say nothing of later chemists, the
most valuable of whose discoveries were made by ap-
paratus equally simple - But the elements of mechan-
ics may be explained by apparatus no less common.
The fundamental properties of the lever may be dem
onstrated by a foot rule, a knife, and a few leaden