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The ancient Egyptian royal cubit (meh niswt) is the earliest attested standard measure.Cubit rods were used for the measurement of length.A number of these rods have survived: two are known from the tomb of Maya, the treasurer of the 18th dynasty pharaoh Tutankhamun, in Saqqara; another was found in the tomb of Kha in Thebes.
The setat was the basic unit of land measure and may originally have varied in size across Egypt's nomes. [20] Later, it was equal to one square khet, where a khet measured 100 cubits. The setat could be divided into strips one khet long and ten cubit wide (a kha). [2] [6] [37] During the Old Kingdom:
It is thus a measure equivalent to our modern cotangent of the angle of slope. In general, the seked of a pyramid is a kind of fraction, given as so many palms horizontally for each cubit of vertically, where 7 palms = 1 cubit. The Egyptian word 'seked' is thus related [in meaning, not origin] to our modern word 'gradient'. [2]
In Ancient Egypt it was the basic unit of subdivision of the cubit. [1] On surviving Ancient Egyptian cubit-rods, the royal cubit is divided into seven palms of four digits or fingers each. [3] The royal cubit measured approximately 525 mm, [4] so the length of the ancient Egyptian digit was about 19 mm.
One official government standard of measurement of the archaic system was the Cubit of Nippur (2650 BCE). It is a Euboic Mana + 1 Diesis (432 grams). [ citation needed ] This standard is the main reference used by archaeologists to reconstruct the system.
Detail of a cubit rod in the Museo Egizio of Turin The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for ...
Some commentators upon Thom's megalithic yard (John Ivimy and then Euan Mackie [25]) have noted how such a measure could relate to geometrical ideas found historically in two Egyptian metrological units; the remen of about 1.2 feet and royal cubit of about 1.72 feet. The remen and royal cubit were used to define land areas in Egypt: "On ...
This irregularly formed and irregularly marked graduated rule supposedly defined the Sumerian cubit as about 518.5 mm (20.4 in), although this does not agree with other evidence from the statues of Gudea from the same region, five centuries later.