Ropp's New Commercial Calculator and Short-Cut Arithmetic, Containing a New, Complete and Comprehensive System of Useful, Convenient and Labor-Saving ... Cotton, Coal, Lumber, Produce, Feed, Etc.

By Christian Ropp

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• Format: Hardcover
• Language: English
• ISBN: B00087Z050
• Release Date: December 1905
• Publisher: C. Ropp & sons