TECHNOLOGY, A STUDY OF MECHANICAL ARTS AND APPLIED SCIENCESThis book is extensively dealing with Technology and Applied Sciences. It covers the first technologies; irrigation systems, road networks and wheeled vehicles, a pictographic form of writing and building techniques. It carries on with the 19th century sciences and new technologies, such as the telegraph, the telephone, electricity generation and photography. It continues into the 20th century with advances in the natural sciences, including radio and