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Vintage 1933 Henley's Twentieth Century Book of Formulas Processes Trade Secrets:
$99.99
The product is a vintage 1933 Henley's Twentieth Century Book of Formulas, Processes, and Trade Secrets, originally published by Norman Henley Publishing Company in the United States. This hardcover book serves as a reference guide with a focus on industrial and trade secrets, providing valuable information for those interested in historical processes and techniques. Written in English by the author Henley, this unique piece offers a glimpse into the past and is a sought-after collectible for those interested in antiquarian books and manufacturing knowledge.
