This is an OCR edition without illustrations or index. It may have numerous typos or missing text. However, purchasers can download a free scanned copy of the original rare book from GeneralBooksClub.com. You can also preview excerpts from the book there. Purchasers are also entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Subtitle: An Investigation of the Claims Made for the Metric System and Especially of the Claim That Its Adoption Is Necessary in the Interest of Export Trade; Original Published by: The American Institute of Weights and Measures in 1920 in 257 pages; Subjects: Metric system; History / General; Science / Metric System; Science / Physics; Technology & Engineering / Mensuration;