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On postmortem examination an opening in the heart was found large enough to admit a blowpipe. Noble speaks of duration of life for five and a half days after rupture of the heart; and there are instances on record in which life has been prolonged for thirteen hours and for fifty-three hours after a similar injury.
In the assembling of these parts a blowpipe spirit lamp or a little "Tinol" soldering lamp will prove very helpful. This piece must, of course, cover the steam ports in the cylinder. Take great care to make steam-tight joints here, and to have the plate parallel to the standards in one direction and to the cylinder in the other.
"I will search also for the ingredients for the poison, without which the blowpipe would be of little use. In the meantime I will labour at the hammers and axes, which Maco and Polo may complete while I am employed at the zabatana." Marian, on seeing all the rest of the party busy, begged that she also might have something to do.
These dimensions are however small, compared to those of the tubes from Drigg, one of which was traced to a depth of not less than thirty feet. The internal surface is completely vitrified, glossy, and smooth. A small fragment examined under the microscope appeared, from the number of minute entangled air or perhaps steam bubbles, like an assay fused before the blowpipe.
It is quite possible to burn as much as 2,000 cubic feet of gas per hour per square foot of burner surface, producing a heat sufficient to fuse any ordinary crucible. You see its power when I place a bundle of iron wire in the flame; it is, in fact, a concentration of hundreds or thousands of powerful blowpipe flames in one mass.
The cylinder was repaired without being taken out at all. I've seen it weld new teeth and build up old worn teeth on gearing, as good as new." He paused to let us see the terrifically heated metal under the flame. "You remember when we were talking on the drive about the raid, O'Connor? A car-load of scrap-iron went by on the railroad below us. They use this blowpipe to cut it up, frequently.
A young girl will stand up at the blackboard, and draw and explain the compound blowpipe, and describe all the processes of making oxygen and hydrogen. Why should she not draw and explain a refrigerator as well as an air-pump? Both are to be explained on philosophical principles.
Under the blowpipe, it behaves like the specimens from Ascension; but it is less hard and glossy, and the surface has not the shrunk appearance. Basaltic lavas. Numerous craters truncated on the same side. Singular structure of volcanic bombs. Aeriform explosions. Ejected granitic fragments. Trachytic rocks. Singular veins. Jasper, its manner of formation. Concretions in pumiceous tuff.
"Why, we shall all be poisoned if you use it," said the captain, starting back with dismay; "you had better go without your blowpipe than allow that to happen." Kallolo assured him that the vessel would not in any way be injured; and that should the white people even swallow a small portion of the poison, they would not suffer.
When a small fragment is heated in the blowpipe, the black specks are easily fused into black brilliant beads, which become magnetic, characters that apply to no common mineral except hornblende or augite. With the black specks there are mingled some others of a red colour, which are magnetic before being heated, and no doubt are oxide of iron.
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