Aswan Nilometer

Visit one of the oldest in Egypt, the Nilometer in Aswan, where it is 7,000 years old, this Nilometer is used to measure water level in the Nile River, and they also use it to predict the water level in the following season, and this measurement made to see how the taxes farmers should pay and if there will be a drought or not.

In Aswan, on the island of Elephantine, there are two Nilometer dating back to Roman times, one at the Temple of Khnum and the other at the Temple of Satet, because the Island of Elephantine was the first place where the annual New Year's flooding season began has been observed.

For luck, the Nilometer was invented to measure and the prediction of the level of the water and therefore the destiny of the countries. The ancient Egyptians put all depends on the Nile in many varieties of life, During the summer the water of the Nile were increased because the heavy rainfall, After that we can predict the indicating of the depth of the water, if it level was too high, if there would be a flood or not, if its level was too low, there would be a drought, both means disaster.

  
So it is not new for us to let this high-tech invention be kept in temples and only allowed priests and rulers to access it. 

 
This perfect invention of the Nilometer in the Pharaonic era took many various shapes, in the beginning it was just a rock located in the a suitable place in the Nile, so it took the shape of a wooden ladder to measure the water level.