Here are entered works on the organized study of the physical remains of industries of the 18th and 19th centuries, including industrial buildings, machinery, tools, etc.
Here are entered works on purchasing for manufacturing purposes. Works on purchasing in general and on the purchasing activities of business enterprises in retail or service industries are entered under Purchasing. Works on consumer buying are entered under Shopping. --subdivision Purchasing under types of products and services and individual animals and groups of animals, e.g. Automobiles--Purchasing; Cattle--Purchasing
Here are entered general works on the technology of fired earth products, or clay products intended for industrial and technical use. Works on earthenware, chinaware, and art objects are entered under Pottery or Pottery craft. Particular objects and types are entered under their specific names, e.g. Bricks; Pipe, Clay; Refractory materials; Tiles; Vases.
