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Scientific American, Vol. 90, No. 20 (May 14, 1904) (1904)

leaf 10

An illustration from Scientific American, Vol. 90, No. 20 (May 14, 1904), 1904, leaf 10
his plate places itself in some of the larger ones had trouble front of the movable head after the with the water boiling in their radia- opening of the breech, and conse tors, and were consequently obliged to quently prevents the closing of it. The drop out of the procession. object of this… … ranted an annual production through- ponding notch formed upon the side of out the world of 450,000 to 500,000 the plate, by means of a spiral spring. metric tons of asphaltum and _ bituminous. rock. net, 9.6 pounds; penetration of spruce at 180 feet, 7.5 The saber-bayonet has a 21-inch blade with…

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