Part one of term paper
The Toilet Yes...those tales you've heard are true. The toilet was first patented in England in 1775, invented by one Thomas Crapper, but the extraordinary automatic device called the flush toilet has been around for a long time. Leonardo Da Vinci in the 1400's designed one that worked, at least on paper, and Queen Elizabeth I reputably ...

Part two of term paper
... water to flow into the bowl. When the tank is nearly empty, the flap falls back in place over the water outlet. A floating ball falls with the water level, opening the water supply inlet valve just as the outlet is being closed. Water flows through the bowl refill tube into the overflow pipe to replenish the trap sealing water. As the water level in the tank nears the top of the overflow pipe, the float closes the inlet valve, completing the cycle. From the oldest of gadgets in the ...