1879, Mary Walton invented the first anti-pollution system
It must be a woman, the American Mary Walton, the patent of the first anti-pollution device in history: a way to reduce harmful emissions from factories in this period grow very rapidly in big cities. The system expects to bring together the noxious fumes in large water tanks, where dust and other pollutants are detained and then sent to the network fogniaria
1891 Mary Walton made the first noise-pollution device
The American inventor (see 1879), who lives in Manhattan, in the heart of New York, having found the noise level caused by the elevated subway, patented the first device noise history
0 comments:
Post a Comment