Hanns Hoefer

India Rubber, Gutta-Percha, and Balata: Occurrence, Geographical Distribution, and Cultivation of Rubber Plants; Manner of Obtaining and Preparing the Raw Material, Modes of Working and Utilizing Them, and Statistics of Commerce

Varnishes, Lacquers, Printing Inks And Sealing-waxes: Their Raw Materials And Their Manufacture

A Practical Treatise on the Manufacture of Vinegar: With Special Consideration of Wood Vinegar and Other By-Products Obtained in the Destructive Distillation of Wood; The Preparation of Acetates; Manufacture of Cider and Fruit-Wines; Preservation of Fruit

The Metallic Alloys: A Practical Guide for the Manufacture of All Kinds of Alloys, Amalgams, and Solders, Used by Metal-Workers; Together with Their Chemical and Physical Properties and Their Application in the Arts and the Industries (Classic Reprint)

The Metallic Alloys: A Practical Guide