Vulcanized Rubber.
[Early Use of Caoutchouc by the Indians.] [Collection of the Gum.] [Early Experiments Failures.] [Goodyear’s Persistent Experiments.] [Nathaniel Hayward’s Application of Sulphur to the Gum.] [Goodyear’s Process of Vulcanization.] [Introduction of his Process into Europe.] [Trials and Imprisonment for Debt.] [Rubber Shoe Industry.] [Great Extent and Variety of Applications.] [Statistics.]
Chemistry.
[Its Evolution as a Science.] [The Coal Tar Products.] [Fermenting and Brewing.] [Glucose, Gun Cotton, and Nitro-Glycerine.] [Electro-Chemistry.] [Fertilizers and Commercial Products.] [New Elements of the Nineteenth Century.]
Food and Drink.
[The Nature of Food.] [The Roller Mill.] [The Middlings Purifier.] [Culinary Utensils.] [Bread Machinery.] [Dairy Appliances.] [Centrifugal Milk Skimmer.] [The Canning Industry.] [Sterilization.] [Butchering and Dressing Meats.] [Oleomargarine.] [Manufacture of Sugar.] [The Vacuum Pan.] [Centrifugal Filter.] [Modern Dietetics and Patented Foods.]
Medicine, Surgery and Sanitation.