TRAVELS, POPULAR LECTURES, ASSORTED FRAGMENTS (MS 1561-1583)
The controversy over innate ideas. Is there a single elementary idea for which the mind has no special aptitude? Can we frame a clear notion of such an idea? Principle of natural selection "accounts for the possession by nearly every species of animal of instinctive and concrete notions of mechanical force." Descriptions of two experiments involving use of a flywheel.
Force, theory of
3 pp. and 4 pp. (two drafts).
TRAVELS, POPULAR LECTURES, ASSORTED FRAGMENTS