Resurfacing material is made by mixing neoprene latex with a special kind of water setting cement and an aggregate of finely crushed stone. Man with brush is applying a prime coat of neoprene latex to secure a tight bond to the old concrete....
Caption on back: "In 1910, the du pont Company began its first non-explosives production with acquisition of the Fabrikoid Co., Newburgh, N. Y., makers of peproxylin coated textiles. The fabric coating machines pictured here and the men and women...
Model for U.S. patent 37,898 to Adolphus Bonzano, Detroit, MI, 1863. Model displayed in "Nineteenth-century patent models: Innovation in miniature" exhibit. Picture used on p. 9 of Hagley Museum and Library 2009 Annual Report.
Model for U.S. patent 37,898 to Adolphus Bonzano, Detroit, MI, 1863. Model displayed in "Nineteenth-century patent models: Innovation in miniature" exhibit. Picture used on p. 8 of Hagley Museum and Library 2009 Annual Report.
