1596 – First modernvalve water-closet

Modern toilet design began in 1596, when Sir John Harington invented a device for Queen Elizabeth (his Godmother) that released wastes into cesspools. Harington invented two elements of the modern toilet: a valve at the bottom of the water tank, and a wash-down system. In 1596, Harington wrote a book called A New Discourse upon…

1527 – First pumps for water supply

There was practicaly no improvment in water supply systems in midle ages. In Germany, water works were constructed in 1412 and pumps were introduces in 1527 in Hanover. Franciscan monk constructed aqueduct of Zempola in Mexico in the middle of 16th century. In 1582, a pump was erected on the Old London bridge for the…