ts have been made not with steel, but with wax, and their below, from the bottom upward, the ingot was pro- as mere coloring matter, giving the stearic acid a gressively cooled by ice-water. Now the ingot shown object has been the investigation of the laws govern- color contrast to the oleate. It… … The ingots shown in casting little bars or in- 7. Ingotf orced to " freeze " from top down; 8, 9, ingots cooled slowly; 10, ingot cooled rapidly; 11, ingot cooled less rapidly; 12, cooling Figs. 8 and 9 do not ex- gots of wax. Of course it on one side accelerated by cold water ; 13, segregation in…
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