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The Editor of The Scotsman, having engaged in researches into the laws of friction established by Vince and Coloumb, published the results in a series of articles in his journal in 1824 showing how twenty miles an hour was, on theoretic grounds, within the limits of possibility; and it was to his writings on this point that Mr. Nicholas Wood alluded when he spoke of the ridiculous expectation that engines would ever travel at the rate of twenty, or even twelve miles an hour.