Published by Henry Troemner, Philadelphia, 1913
Seller: Andrew Cahan: Bookseller, Ltd., ABAA, Akron, OH, U.S.A.
8vo., 47 pp., illustrated. Paper wrappers, which are dusty. Light wear; else, very good. The Henry Troemner company made balances, scales, weights, etc. for numerous business applications, including candy, silk, photographers, cream and milk, butter moisture, yarn, hatters' fur, and hair, as well as for the U.S. Mint.