Archeologists find references about first ever lifting devices in Egyptian frescos, depicting the pharaohs pyramids construction. Egyptian lifting device is a unit made of wheels with channels, hoist, drum and rope. The drum would turn around, thus winding/unwinding the ropes. The rope is passed along the wheel channel and the freight was lifted and lowered by means of the rope movement
As primary sources inform this device invention dates back to 2600 BC. The device was powerful and reliable because of the easy construction. Cargo lift would hoist large stone blocks of about 90kg to a height of about 150m. Handling became much easier, nevertheless lifts attendance still demanded substantial manual efforts.
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