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  2. Ancient Egyptian technology - Wikipedia

    en.wikipedia.org/wiki/Ancient_Egyptian_technology

    Greek technology. Roman technology. Iranian technology. Ancient Egyptian technology describes devices and technologies invented or used in Ancient Egypt. The Egyptians invented and used many simple machines, such as the ramp and the lever, to aid construction processes. They used rope trusses to stiffen the beam of ships.

  3. Ancient technology - Wikipedia

    en.wikipedia.org/wiki/Ancient_technology

    These machines are the inclined plane, the wedge, and the lever, which allowed the ancient Egyptians to move millions of limestone blocks which weighed approximately 3.5 tons (7,000 lbs.) each into place to create structures like the Great Pyramid of Giza, which is 481 feet (147 meters) high. [17]

  4. History of timekeeping devices - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping_devices

    Oscillating timekeepers are used in modern timepieces. Sundials and water clocks were first used in ancient Egypt c.1200 BC (or equally acceptable BCE) and later by the Babylonians, the Greeks and the Chinese. Incense clocks were being used in China by the 6th century.

  5. Egyptian pyramid construction techniques - Wikipedia

    en.wikipedia.org/wiki/Egyptian_pyramid...

    They built a pyramid 6 metres (20 ft) high by 9 metres (30 ft) wide, consisting of a total of 162 cubic metres (5,700 cu ft), or about 405 tons. It was made out of 186 stones weighing an average of 2.2 tons each. Twelve quarrymen carved 186 stones in 22 days, and the structure was erected using 44 men.

  6. History of timekeeping devices in Egypt - Wikipedia

    en.wikipedia.org/wiki/History_of_timekeeping...

    Ancient Egyptian sundial (c. 1500 BC), from the Valley of the Kings, used for measuring work hour. Daytime divided into 12 parts. The ancient Egyptians were one of the first cultures to widely divide days into generally agreed-upon equal parts, using early timekeeping devices such as sundials, shadow clocks, and merkhets (plumb-lines used by early astronomers).

  7. Crane (machine) - Wikipedia

    en.wikipedia.org/wiki/Crane_(machine)

    The first known crane machine was the shaduf, a water-lifting device that was invented in ancient Mesopotamia (modern Iraq) and then appeared in ancient Egyptian technology. Construction cranes later appeared in ancient Greece, where they were powered by men or animals (such as donkeys), and used for the construction of buildings.

  8. Sabu disk - Wikipedia

    en.wikipedia.org/wiki/Sabu_disk

    The Sabu disk is an ancient Egyptian artifact from the First Dynasty, c. 3000 to 2800 BC. It was found in 1936 in the north of the Saqqara necropolis in mastaba S3111, the grave of the ancient Egyptian official Sabu after whom it is named. The function and meaning of the carefully crafted natural stone vessel are unclear.

  9. History of mechanical engineering - Wikipedia

    en.wikipedia.org/wiki/History_of_mechanical...

    The lever was also used in the shadoof water-lifting device, the first crane machine, which appeared in Mesopotamia circa 3000 BC, [4] and then in ancient Egyptian technology circa 2000 BC. [6] The earliest evidence of pulleys date back to Mesopotamia in the early 2nd millennium BC, [7] and ancient Egypt during the Twelfth Dynasty (1991-1802 BC ...