. Elements of applied microscopy. A text-book for beginners. Microscopy. PETROGRAPHY AND METALLOGRAPHY. 167 homogeneous substance made up of ciystalline needles easily distinguished from any other constituents of steel. The exact amount of carbon in steel must be deter-. FiG. 60.—Microscopic Appearance op Steel with Carbon (Pearlyte and Cementite), (After Sauveur.) mined by chemical methods; but the presence of the mineral forms we have discussed and the manner in which they are associated can only be ascertained under the microscope. Furthermore, the crystals present may be abnormally ar
. Elements of applied microscopy. A text-book for beginners. Microscopy. PETROGRAPHY AND METALLOGRAPHY. 167 homogeneous substance made up of ciystalline needles easily distinguished from any other constituents of steel. The exact amount of carbon in steel must be deter-. FiG. 60.—Microscopic Appearance op Steel with Carbon (Pearlyte and Cementite), (After Sauveur.) mined by chemical methods; but the presence of the mineral forms we have discussed and the manner in which they are associated can only be ascertained under the microscope. Furthermore, the crystals present may be abnormally arranged, being perhaps not closely packed or so large as to produce incipient cleavage Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Winslow, C. -E. A. (Charles-Edward Amory), 1877-1957. New York, J. Wiley; London, Chapman & Hall
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