Scientific American Volume 87 Number 23 (December 1902) . eonly the magnesia which forms the base of the fact the carbon begins to burn at the exterior andthe combustion proceeds toward the interior of thefilament, while on the surface is formed a solid layerof magnesia. After this preliminary treatment theyare burned in free air until all the carbon is this way a small tube of pure magnesia is obtained,which is then to be coated with carbon to form the lampfilament. For this it is treated by a flash process likethat of a carbon filament, in an atmosphere of hydro-carbon ga
Scientific American Volume 87 Number 23 (December 1902) . eonly the magnesia which forms the base of the fact the carbon begins to burn at the exterior andthe combustion proceeds toward the interior of thefilament, while on the surface is formed a solid layerof magnesia. After this preliminary treatment theyare burned in free air until all the carbon is this way a small tube of pure magnesia is obtained,which is then to be coated with carbon to form the lampfilament. For this it is treated by a flash process likethat of a carbon filament, in an atmosphere of hydro-carbon gas and the filament when raised to incandes-cence receives a deposit of carbon on the prepared, they are mounted in a bulb to form thelamp. The inventor claims that the lamps formed ac-cording to this process have a great mechanical re-sistance. ©1902 SCIENTIFIC AMERICAN, INC. 378 Scientific American. December 6, 1902. THE NEW MONITOR WYOMING. The monitor Wyoming, herewith illustrated, Isone of the tour monitors ordered by the government in. TAKING IT OVER THE STERN AT KNOTS. 1898. The Arkansas, Nevada and Florida, nowbuilding in eastern yards, are identical. Their di-mensions are, length on water line, 252 feet; ex-treme breadth, 50 feet; displacement on draft of 12feet 6 inches, 3,218 tons. Watertight bulkheads,electric lighting and other conveniences for officersand crew are provided in as perfect detail as on shipsof five times the tonnage. The armament of the* Wyoming is heavy for avessel of her size and class. It consists of two 12-inch breech-loading rifles, four 4-inch, three 6-pounder*,six 1-pounders on the main deck with two of the samecaliber in the fighting top. Forward is the armoredturret protecting the 12-inch rifles. The hull is pro-tected by steel armor, which for 108 feet amidships is11 inches thick, diminishing to 5 inches at armor shelf,The belt extends from 2 feet 6 inches above the waterto the same distance below, gradually tapering inthi
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Keywords: ., bo, bookcentury1900, bookdecade1900, booksubjectsilk, bookyear1902
