The product is a textbook titled "General Trade Mathematics" by Edwin P. Van Leuven, B.S., published by McGraw-Hill in 1952. This second edition textbook covers mathematical concepts related to the subject of trade.

General Trade Mathematics Edwin P. VanLeuven, B.S. 2nd Edition 1942 1952 as pictured. This book is 553 pages. It contains valuable machinist and other trades mathematic information. It is in preowned condition with signs of previous use as pictured.