the drawhead when the pin is lowered surface. into coupling position. A removable head is also This ‘‘ drowned river” is probably the old channel screwed on top of the pin. On the end wall of the car of what we call the Hudson River, along which a part is pivoted a latch piece through which slides… … by chemical means, and preserved a sufficient length few years. of time, by means of various fluxes, to obtain the de- Geologists attribute this strange phenomenon to the sired result. With aluminum the same procedure fails, fact that the basalt, which constitutes the bulk of the upper side of the…
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