This category includes treatises on the manufacturing process of many products, such as linen, wool and silk cloth, iron, perfume, paper, bread and many others. Practical manuals for those in various trades, professions and industries, such as architects, mechanics, civil engineers, cabinet-makers and upholsterers are also included. There are technological works on machinery and inventions of all sorts, such as the steam engine, devices for air and water purification and on the detection of toxic ingredients in food.
Sample titles: "The first report of a society for preventing accidents in coal mines..." and "A new process for purifying the waters supplied in the metropolis by the existing water companies."
2,751 titles on 181 reels