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Updated: May 19, 2025
The manufacturer was advised to construct his apparatus so that it could be run by foot power, but, after some trials, it was found that the addition of a pedal and the mechanism that it necessitates was absolutely superfluous, the apparatus working very well such as it is. La Nature. By Prof. C.W. MACCORD, Sc.D.
With regard to the percentage of energy developed as heat, it was about the same as in the previous experiments, reaching in one case, with an iron bar and with an energy of 110 kilogram-meters, the exceedingly high figure of 91 per cent. With copper, the same figure varied between 50 and 60 per cent. Iron. By Prof. C.W. MacCord.
No one, bearing in mind the date at which it was built, can examine this engine without having an increased respect for the talents of Richard Trevithick, a man to whom we owe so much and whose labors have as yet met with such scant recognition. Engineering. By Prof. C.W. MacCORD, Sc.
Lastly, a candle was placed so as to throw the shadow of the pendulum bob upon a ground-glass screen, and so to exhibit the gradual change of the plane of swing. The results accorded most satisfactorily with the deductions from the theory of the earth's rotation. By Prof. C. W. MACCORD, Sc.D.
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