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Updated: June 17, 2025


On one occasion, however, when everything possible and impossible under the sun was being carbonized for lamp filaments, he allowed a handful of his bushy red beard to be taken for the purpose; and his laugh was the loudest when the Edison-Mackenzie hair lamps were brought up to incandescence their richness in red rays being slyly attributed to the nature of the filamentary material!

Alizarine manufacturers originally found scarcity of anthracine; at present the supply is in excess of the demand, and the price during the last 18 months has fallen from 3s. 6d. to 1s. per unit, and the probabilities are that the supply will increase. The quantity of gas tar now obtained the lecturer estimated at 500,000 tons per annum, and the coal carbonized for gas making, 10,000,000 tons.

The fragile ligneous cylinder would certainly have been broken during such transportation. The carbonized specimens were never fluid or pasty, since there are some that have left their impressions with the finest details in the schists and sandstones, but none of the latter that has left its traces upon the coal.

Finally, one day in October, 1879, after fourteen months of hard work and the expenditure of forty thousand dollars, a carbonized cotton thread sealed in one of Edison's globes lasted forty hours. "If it will burn forty hours now," said Edison, "I know I can make it burn a hundred." And so he did. A better filament was needed. Edison found it in carbonized strips of bamboo.

In a cart covered with a cloth, and followed by two priests, the almost carbonized remains of Bolton the drummer, and of poor Guillebault, had been brought home. The whole city had seen the widow go to the mayor's office, holding in her arms her youngest child, while the four others clung to her dress.

And if, as I believe, it can be demonstrated that ordinary coal is nothing but "saccular" coal which has undergone a certain amount of that alteration which, if continued, would convert it into anthracite; then, the conclusion is obvious, that the great mass of the coal we burn is the result of the accumulation of the spores and spore-cases of plants, other parts of which have furnished the carbonized stems and the mineral charcoal, or have left their impressions on the surfaces of the layer.

He was in consumption, as so many were in that region, and he carbonized against it, as he said; he took his carbon in the liquid form, and the last time I saw him the carbon had finally prevailed over the consumption, but it had itself become a seated vice; that was many years since, and it is many years since he died.

Oddly enough, a few years later, some inventor actually took out a patent for making incandescent lamps with carbonized hair for filaments! Yet other visitors again haunted the place, and with the following reminiscence of one of them, from Mr.

In this trade various qualities of iron are used, and close attention is required to secure for each purpose the quality of iron peculiarly adapted to it: The iron in the two spades strongly resembles Swedish or Russian; it is highly carbonized. The same qualities are found in both spades.

The layer of coal in contact with the carbonized or silicified part of the specimens is due, then, to a compression of the organic elements already chemically carbonized, but in which the mineral matter was not yet hardened and was able to escape. Arthropitus gallica, St. If this be so, we ought to find the remains of organic structure in this region c.

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