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Multi-level shadoof system in Egypt. One theory states that the shadoof was invented in prehistoric times in Mesopotamia as early as the time of Sargon of Akkad (around 24th and 23rd centuries BCE). The earliest evidence of this technology is a cylindrical seal with a depiction of a shadoof dating back to about 2200 BCE.
Levering methods are considered to be the most tenable solution to complement ramping methods, partially due to Herodotus's description; and partially to the shadoof, a lever-enabled irrigation device first depicted in Egypt during the New Kingdom and found concomitantly with the Old Kingdom in Mesopotamia. In Lehner's point of view, levers ...
The Ancient Nubians developed the saqiya to improve irrigation during the Meroitic period. The introduction of this machine had a decisive influence on agriculture as this wheel lifted water 3 to 8 metres with much less labour force and time than the Shaduf, which was the previous irrigation device in the Kingdom.
Ancient Authors – A site that quotes descriptions of the "Labyrinth" of Amenemhet III's pyramid at el-Lahun by various ancient authors. Ancient Egypt – History & Chronology – A site detailing the major pyramid sites of ancient Egypt and Nubia (Sudan). Scientific American, "How the Pyramids were Built", 25 September 1880, p. 201
The Nile flood at Cairo c. 1830.. Current understanding of the earliest development of the Egyptian calendar remains speculative. A tablet from the reign of the First Dynasty pharaoh Djer (c. 3000 BC) was once thought to indicate that the Egyptians had already established a link between the heliacal rising of Sirius (Ancient Egyptian: Spdt or Sopdet, "Triangle"; Ancient Greek: Σῶθις ...
The Description de l'Égypte (French pronunciation: [dɛskʁipsjɔ̃ də leʒipt], "Description of Egypt") was a series of publications, appearing first in 1809 and continuing until the final volume appeared in 1829, which aimed to comprehensively catalog all known aspects of ancient and modern Egypt as well as its natural history.
Map of northern Egypt showing the location of the Tura quarries, Giza, and the find-spot of the Diary of Merer The Diary of Merer (also known as Papyrus Jarf ) is the name for papyrus logbooks written over 4,500 years ago by Merer, a middle-ranking official with the title inspector ( sḥḏ , sehedj ).
In ancient Egyptian history, dynasties are series of rulers sharing a common origin. They are usually, but not always, traditionally divided into 33 pharaonic dynasties; these dynasties are commonly grouped by modern scholars into "kingdoms" and "intermediate periods".