The first large-scale water purification plant was created in 1804 in Scotland by John Gibb, a bleachery owner in Paisley. This water filter was the first documented example to have used sand filters as a water purification method.Continue Reading
Water purification and filtering trace their history back to ancient India and Egypt. Images depicting water treatment are visible in Egyptian tombs dating back to between the 15th and 13th centuries B.C.
In 1903, water treatment devices began using sodium ions that function as water softeners. The water softeners worked by means of a system of ion exchange, in which harmful ions are replaced by harmless ions.Learn more about Inventions
The first electric toaster was invented in Edinburgh, Scotland, by Alan MacMasters in 1893. Some early toasters used iron as the toasting element, but this melted at high temperatures, and electricity supplies were less reliable at the time of the invention, so usage of electric toasters was initially limited.Full Answer >
The electric stove was invented by Canadian electric company owner Thomas Ahearn in 1892. He filed patent no. 39916 for an "electric oven." He demonstrated preparing a meal on his electric oven that same year in an Ottawa hotel.Full Answer >
Thomas Crapper was an English plumber and owner of Thomas Crapper; Co. Despite popular belief, Crapper was not responsible for the invention of the flush toilet, and he did not have the middle name of John.Full Answer >
Alessandro Volta invented the first battery in 1800 when he created a device known as a voltaic pile. The voltaic pile conducted energy with positive and negative terminals comprised of leather saturated with vinegar or brine and pressed between copper and zinc plates.Full Answer >