Invention, the Master-key to Progress

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E.P. Dutton, 1921 - Inventions - 356 pages
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Page 134 - The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the Sun.
Page 181 - An Account of a Method of Copying Paintings upon Glass, and of making Profiles by the Agency of Light upon Nitrate of Silver; with Observations by H. Davy.
Page 144 - Change of momentum is proportional to the force and to the time during which it acts, and is in the same direction as the force; (3) To every action there is an equal and opposite reaction.
Page 134 - ... 1. The orbits of the planets are ellipses having the sun at one focus. 2. The area swept...
Page 140 - Instauratio was to be, as he expresses it, " the science of a better and more perfect use of reason in the investigation of things, and of the true aids of the understanding," the new logic, or inductive method, in which what is eminently styled the Baconian philosophy consists.
Page 144 - ... with a force proportional to their masses and inversely proportional to the square of the distance between them.
Page 323 - The United Kingdom', The Dominion of Canada', The Commonwealth of Australia', The Union of South Africa', etc., would be used as headings to distinguish the various plenipotentiaries.
Page 78 - ... the power, multiplied by its distance from the fulcrum, is equal to the weight, multiplied by its distance from the same point.
Page 213 - Neilson, for an improved application of air to produce heat in fires, forges, and furnaces...
Page 10 - It is true that many of the most important inventions have been made by engineers; but this has been because some engineers, like Ericsson, have been inventors also. But it is also true that only a small proportion of the engineers have made original inventions; and it is equally true that many inventions have failed — or have been slow in achieving success — because of the lack of engineering skill in construction or design. These facts show that the work of the inventor is very different from...

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