This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Haversack. [From Ger. hafer, oats, and sack, sack] A bag used for holding the food that a soldier carries on his person. It is carried by a strap slung over the shoulder. Also a bag made of coarse cloth used by school-boys for carrying their slate and books.
 
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