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Updated: April 30, 2025
Until its internal effects are better known, caution is advised as to its very widespread application, although Herr Schroter has taken a gramme with only some apparent increase of peristalsis and appetite. Lancet. The illustration represents an autopsy table placed in the Coroner's Department of the New York Hospital, designed by George B. Post and Frederick C. Merry.
Crops had been garnered by the aid of the electric light, the plough had been driven by the Gramme machine; electricity, then, would play a foremost part in future farming, and should be studied with enthusiasm. Without mathematics nothing could be done; without ornithological study, how know which bird revelled on grain and which destroyed injurious insects?
This constant could not be determined except by an integration practically impossible; and the product, M C, must be considered indivisible. Some experiments made in 1876, by M. Hagenbach, on a Gramme dynamo-electric machine, appear to indicate that the magnetism, M C, does not increase indefinitely with the intensity, but that there is some maximum value for this quantity.
One ampere decomposes .00009324 gramme of water per second, liberating .000010384 gramme of hydrogen and .00008286 gramme of oxygen. The quantity in grammes of any other chemical element or ion which is liberated from an electrolyte or body capable of electrochemical decomposition in a second by a current of one ampere is given by what is called the electrochemical equivalent of the ion.
Thus, all the miasm given off by the piece of flesh during nine hours was completely neutralised by the ozone with which the balloon had been impregnated, so small in quantity as to be but the 6000th part of a gramme. One balloon filled with ozonified air, would suffice to disinfect 540 balloons filled with miasmatic air.
The essential points in the evolution of the dynamo can here be sketched only in broadest outline. Even to catalogue in detail, the improvements of Edison and Brush, Gramme and Wheatstone, and a host of others who have contributed to the work, would require a volume.
As the result of the brilliant researches of Rowland and of Mr Griffiths on the variations of the specific heat of water, physicists have decided to take as calorific standard the quantity of heat necessary to raise a gramme of water from 15° to 16° C., the temperature being measured by the scale of the hydrogen thermometer of the International Bureau.
Enjoyment of elegant Latin prose and melodious verse was part of the pro- gramme of Leo's life, and his patronage certainly had the result that his Latin poets have left us a living picture of that joyous and brilliant spirit of the Leonine days, with which the biography of Jovius is filled, in countless epigrams, elegies, odes, and orations.
Darkness, the enemy of good government and morality in great cities, will, in great measure, be dispelled by the beneficent agent, over which the genius of Davy, Gramme, Brush, Edison, and a host of other explorers in the new continents of science has so completely triumphed.
It was not until 1870, when Gramme had improved the dynamo, that power was practically transmitted in this way, and applied to pumping water, and other work.
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