The Boot and Shoe Manufacturers' Assistant and Guide. Containing a Brief History of the Trade. History of India-rubber and Gutta-percha, and Their Application to the Manufacture of Boots and Shoes. Full Instructions in the Art, With Diagrams and Scales, Etc., Etc. Vulcanization and Sulphurization, English and American Patents. With an Elaborate Treatise on Tanning.

CHAPTER I.

Chapter 835 wordsPublic domain

DISCOVERY OF THE VULCANIZATION AND SULPHURIZATION OF INDIA RUBBER IN AMERICA, 106

Nathaniel Hayward, 109; Importance of the Discovery, 113; Causes of Failure, 114; Charles Goodyear, and Interesting Account of his Trials, 114–124; Results.