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Updated: July 1, 2025
The total weight of the machine is 185 kilogrammes, or about 250 kilogrammes when mounted by a person. The boiler is placed behind the tricycle, the motor is under the seat, inside of which is the water reservoir and the supply of coal.
The water, which is led to it by a flume, acts upon it by its weight and impact, and is retained in the buckets and kept from overshooting the mark by a jacket made of planks. It is a mass of iron, 75 kilogrammes in weight.
At Lyons there is a class of men who, under cover of the monopoly given them by the city government, receive higher pay than college professors or the head-clerks of the government ministers: I mean the porters. The price of loading and unloading at certain wharves in Lyons, according to the schedule of the Rigues or porters' associations, is thirty centimes per hundred kilogrammes.
Weber and Kohlrausch have calculated that, if the quantity of electricity associated with one milligramme of hydrogen in water were diffused over a cloud at a height of 1000 metres above the earth, it would exert upon an equal quantity of the opposite electricity at the earth's surface an attractive force of 2,268,000 kilogrammes. Faraday, sa Vie et ses Travaux, p. 20.
Antwerpiae, 1635. At Fort William, Calcutta, experiments have proved the extraordinary endurance of the pine-apple fibre. A cable eight centimeters in circumference was not torn asunder until a force of 2,850 kilogrammes had been applied to it. Report of the Jury, London International Exhibition. Sapa means shallow.
In 1823, the exportation from the port of Matanzas was 84,440 arrobas; so that it seems not doubtful that, in years of medium fertility, the total exportation of the island, lawful and contraband, is more than fourteen millions of kilogrammes. From this calculation it results that the exportation of coffee from the island of Cuba is greater than that from Java, estimated by Mr.
Now, one hundred kilogrammes of that sugar yield fifty kilogrammes of refined sugar, thirty of sugar vergeoise, and twenty of muscovade; consequently, a hectare of beet-root produces 250 kilogrammes of refined sugar.
Through the precautions which we had taken, and thanks to the patriotic assistance of several young medical and chemical students, powder had been manufactured in several quarters. At one point alone, the Rue Jacob, a hundred kilogrammes had been turned out during the night.
I have observed elsewhere that in this comparison of the two branches of cultivation it must not be forgotten that the cultivation of sugar requires great capital; for instance, at present 400,000 piastres for an annual production of 32,000 arrobas, or 368,000 kilogrammes, if this quantity be made in one single settlement.
The difficulties, however, encountered in procuring discs of glass of the size and purity required for this last venture seemed to indicate that a term to progress in this direction was not far off. The flint was, indeed, cast with comparative ease in the workshops of M. Feil at Paris. The flawless mass weighed 170 kilogrammes, was over 38 inches across, and cost 10,000 dollars.
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