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M. Mithouard also says he recently made a personal investigation of the water supply, and found that, even if the aqueducts were cut, the city would have two hundred and sixty thousand cubic meters of filtered water available every day from the Ivry and Saint-Maur waterworks; and even without these, Paris could still have two hundred and sixty thousand cubic meters a day chemically purified.
Each siphon is sold to the public at the price of one dollar. To municipalities using sulphurous acid in this form the price would be reduced to just one-half that figure. It will be seen, then, that for a room of 3,530 cubic feet capacity the cost would be $5.00 or $2.50. The combustion of sulphide of carbon furnishes an abundance of sulphurous acid, but has hitherto been attended with danger.
Each boy, I understand, has quite a considerable number of cubic feet of air all to himself. It is Mr. Outwood's boast that no boy has ever asked for a cubic foot of air in vain. He argues justly " He broke off abruptly and began to watch the other's manoeuvres in silence. Mr. Downing was peering rapidly beneath each bed in turn. "Are you looking for Barnes, sir?" inquired Psmith politely.
Use barley rather than oats and irrigate when the plant shades the land well, if you get growth enough to warrant it. It will be easier to get the crop than to figure a profit in it. Loose Hay by Measure. How many cubic feet should be allowed for a ton of alfalfa hay loaded on a wagon from the shock? I must sell more or less in that way, as no scales are near enough to be used.
The decision soon arrived at was as follows: 1st The bullet was to be a hollow aluminium shell, its diameter nine feet, its walls a foot in thickness, and its weight 19,250 pounds; 2nd The cannon was to be a columbiad 900 feet in length, a well of that depth forming the vertical mould in which it was to be cast, and 3rd The powder was to be 400 thousand pounds of gun cotton, which, by developing more than 200 thousand millions of cubic feet of gas under the projectile, would easily send it as far as our satellite.
The first specimens were brought to Europe in 1730; and as late as 1770 it was still so scarce an article, that in London it was only to be found in one shop, where a piece containing half a cubic inch was sold for three shillings. Dr. Priestley, in his work on perspective, published in 1770, speaks of it as a new article, and recommends its use to draughtsmen.
P = percentage of a day required for rest and necessary delays. T = time for shoveling one cubic yard. This blank is fastened to a thin board held in the left hand and resting on the left arm of the observer.
J.R. Meyer, an eminent physicist, estimated the quantity of heat so escaping each day of the year to be sufficient to melt two hundred and forty cubic miles of ice. The effect of this loss of heat is constantly to shrink the volume of the earth; it has, indeed, been estimated that the sphere on this account contracts on the average to the amount of some inches each thousand years.
I returned to the laboratory to find that Craig had taken out of a cabinet a peculiar looking arrangement. It consisted of thirty-two tubes, each about sixteen inches long, with S-turns, like a minute radiator. It was altogether not over a cubic foot in size, and enclosed in a glass cylinder.
In 1860, 95 cubic feet of gas produced one horse power for an hour; in 1867, 40 cubic feet accomplished the same thing; and now we can get one horse power for an hour for from 15 to 20 cubic feet of gas, depending on the size of the engine used. Considered as a heat engine, the gas engine is now twice as efficient as the very best modern steam engine.
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