Mineral Resources of Michigan with Statistical Tables of Production and Value of Mineral Products for Volume 20 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 Excerpt: ...since 1899 and since 1908 the growth has been rapid, particularly in the last three years. In 1899, the total value of the pottery output was $29,741; in 1908, $62,409; in 1910, $112,697; in 1915, $521,989; and in 1916, $792,716. The value in 1916 increased $270,727, or 51.8 per cent. The increase was largely due to the greatly increased output of porcelain and decorated ware and porcelain sanitary and electrical supplies. The products are chiefly porcelain electrical supplies, decorated and white ware, and flower pots. Of seven firms, three, the Detroit Flower Pot Company, and Anton Hupprich, of Detroit, and the Ionia Tottery Company manufacture flower pots exclusively. The Jeffery-DeWitt Co. of Detroit, manufacture a variety of porcelain products, --sanitary ware, insulators, spark plugs, tumbling jars, crucibles, etc. The Mt. Clemens Pottery Company, Macomb county, manufactures decorated ware and the Pontiac Clay Pipe Novelty Co., Oakland county, clap pipes and novelty ware. The clays used for the manufacture of flower pots are obtained from Michigan but those for porcelain products, pipes, etc., are imported from other states and countries, for, no deposits of china or ball clays have been found in Michigan. SAND-LIME BRICK. The first sand-lime brick plant in the United States was started at Michigan City, Indiana in 1901. The sand-lime brick industry was a "boom" industry and within two years nine plants were in operation, in the process of building, or projected. Under the erroneous impression that sand-lime brick, satisfactory for most purposes could be made much more cheaply than ordinary clay brick, many plants were erected all over the country without proper investigation of marketing conditions, transportation facilities, competition fro...