This historic scientific paper, "Metallographic Etching Reagents I, for Copper," originally published in 1920 as part of the Scientific Papers of the Bureau of Standards, Vol. 16, delves into the intricate processes of metallography, specifically focusing on etching techniques for copper. Authored by Henry S. Rawdon and Marjorie G. Lorentz, this work (Scientific Paper 399, or S399) offers a detailed examination of various reagents and their effects on copper microstructures.
A valuable resource for metallurgists, materials scientists, and historians of science, this paper provides insights into early 20th-century methodologies in materials analysis. Its enduring relevance lies in its systematic approach to understanding the chemical reactions involved in etching, a critical step in revealing the microscopic features of metals. This volume provides a foundational understanding for both historical context and modern practices in the field.
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