of the one of rolling rails. In some of the experiments it was AMERICAN of December 16, 1899. found that several of the methods by which the which preceded it. Being thus placed, the flange, We now illustrate and describe a fossil quarry where which is thinner, cools at about the same temperature… … the Carnegie Company. inal weight before the PREPARING AND CLEANING THE FOSSILS. The chemical tests made cleaning process begins. It of the new process show is difficult to clean the fos- that by the slower radia- sils when the shale is too tion of heat and by work- dry, for the impressions ing the…
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