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Updated: June 4, 2025
This brought the storage battery at once into use as a practical, manufactured piece of apparatus; and the world was captivated with the idea. The great English scientist, Sir William Thomson, went wild with enthusiasm when a Faure "box of electricity" was brought over from Paris to him in 1881 containing a million foot-pounds of stored energy. His biographer, Dr.
When the unit of nominal horse-power was fixed at 33,000 foot-pounds per minute the work contemplated in the arbitrary standard was supposed to be such as a horse could go on performing for several hours. It was, of course, well recognised that any good, upstanding horse, if urged to a special effort, could perform several times the indicated amount of work in a minute.
The time of any operation in hours and minutes, its cost in pounds, shillings, and pence, the strain upon a given point in foot-pounds these are his conquests, with which he must continually furnish his mind, and which, after he has acquired them, he must continually apply and exercise.
Whether we shall ever be able to express consciousness in foot-pounds, or not, is more than I will venture to say; but that there is evidence of the existence of some correlation between mechanical motion and consciousness, is as plain as anything can be. Suppose the poles of an electric battery to be connected by a platinum wire.
But these men and women and children ceaselessly toiling know no such sweets; their food is as hard as their labour. How many foot-pounds, then, of human energy do these grains in my hand represent? Do they not in their little compass contain the potentialities, the past and the future, of human life itself? Another train booms across the iron bridge in the hollow.
When a conductor is moved in a magnetic field, the energy spent is measurable in foot-pounds, as before, a pressure into a distance. The energy appears in a new form, but the quantity of matter being unchanged, the only changeable factor is the kind of motion, and that the motion is molecular is evident, for the molecules are heated.
In the light of facts, as they were and are, this article is so full of humor that we shall indulge in a few quotations It commences in A B C fashion as follows: "Electric machines convert mechanical into electrical energy.... The ratio of yield to consumption is the expression of the efficiency of the machine.... How many foot-pounds of electricity can be got out of 100 foot-pounds of mechanical energy?
This is not to be reckoned financially by an increase in dollars and cents, or intellectually, by so many added foot-pounds of knowledge. Harvard College was of inestimable benefit to Roosevelt, because it enabled him to find himself to be a man with his fellow men. *Autobiography, 27.
How many foot-pounds of energy do you suppose you annually dump into the scrap-heap of wasted effort? What does this mean to you in dollars and cents? In conscious usefulness? In peace and happiness? Individual mental efficiency is an absolute prerequisite to any notable personal achievement or any great individual success.
Yet as the general conclusions from both are found the same, it will avoid unnecessary prolixity by using the data from experiments made with a circular jet of 0.05 square inch area, discharging a stream at the rate of 40 ft. per second. This amounts to 52 lb. of water per minute with an available head of 25 ft., or 1,300 foot-pounds per minute.
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