Howe, Herbert A. (Herbert Alonzo), 1858-1926 · Meadville, Penna., Flood and Vincent · leaf 223
in thatcase a ray would spread out, the further it got from theparent crater ; it would also be deflected when it en-countered another crater, and would be either heapedup, or would flow around it. But the rays are un-changed in width as they take their way across moun-tains and through craters.… … The Moon and Eclipses. 217 from a smelting furnace into a stout receptacle. At firsta thin crust forms where the mass is exposed to the cool-ing action of the air. The crust is broken open invarious spots by the action of the heated fluid. Someof the molten matter exudes through the holes ; a…
Astronomy
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