Early Egyptian Measurements - Revision history

DT Online at 18:13, 10 March 2021

2021-03-10T18:13:24Z

← Older revision		Revision as of 18:13, 10 March 2021
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	[[File:Rope stretching.jpg\|right\|800px\|]]		[[File:Rope stretching.jpg\|right\|800px\|A rope being used to measure fields. Taken from the Tomb of Menna]]
	=====Introduction=====		=====Introduction=====
	Measurement and Surveying was important in '''[[:Category:Ancient Egypt\|Ancient Egypt]]''' because the annual floods buried or destroyed boundary markers, which then had to be re-established to check ownership of the fields.		Measurement and Surveying was important in '''[[:Category:Ancient Egypt\|Ancient Egypt]]''' because the annual floods buried or destroyed boundary markers, which then had to be re-established to check ownership of the fields.
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	[https://en.wikipedia.org/wiki/Measuring_rod#Ancient_Egypt\|'''Cubit Rods'''] were made from wood, slate or stone, some with markings to show sub-divisions. The [https://en.wikipedia.org/wiki/Cubit#Ancient_Egyptian_royal_cubit\|’’’Ancient Egyptian Royal Cubit’’’] was divided into 7 [https://en.wikipedia.org/wiki/Palm_(unit)#Ancient_Egypt\|’’’Palms’’’]. A '''Palm''' was based on the width of the palm of the hand.		[https://en.wikipedia.org/wiki/Measuring_rod#Ancient_Egypt\|'''Cubit Rods'''] were made from wood, slate or stone, some with markings to show sub-divisions. The [https://en.wikipedia.org/wiki/Cubit#Ancient_Egyptian_royal_cubit\|’’’Ancient Egyptian Royal Cubit’’’] was divided into 7 [https://en.wikipedia.org/wiki/Palm_(unit)#Ancient_Egypt\|’’’Palms’’’]. A '''Palm''' was based on the width of the palm of the hand.

	[[File:Cubit rod Turin Museum.PNG\|center\|600px\|]]		[[File:Cubit rod Turin Museum.PNG\|center\|600px\|Cubit rod from the Turin Museum]]

	[[File:PalmDigit.png\|right\|250px\|]]		[[File:PalmDigit.png\|right\|250px\|]]
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	=====Cord=====		=====Cord=====
	It is probable that for convenience, there were also Rods made which were several Cubits long and for surveying purposes, Egyptians used a knotted rope or '''Cord''' of 100 Cubits length. Ancient Egyptian surveyors were known as '''Harpedonapata''' or '''rope-stretchers''' and a length of rope longer than 100 Cubits may have been too difficult to pull tight when measuring.		It is probable that for convenience, there were also Rods made which were several Cubits long and for surveying purposes, Egyptians used a knotted rope or '''Cord''' of 100 Cubits length. Ancient Egyptian surveyors were known as '''Harpedonapata''' or '''rope-stretchers''' and a length of rope longer than 100 Cubits may have been too difficult to pull tight when measuring.

			----
			<span style="color: blue">'''Activity:'''</span>
			* <span style="color: blue">Make your own '''Cubit Rod''' from a length of '''[[Stripwood Technology Materials\|Stripwood]]''' and mark on it '''Palms''' and '''Digits'''. Use measurements from your own arm, or take an average from everyone in your class. Use your '''Cubit Rod''' to measure items of furniture around you in '''Cubits''', '''Palms''', and '''Digits'''.</span>
			* <span style="color: blue">Take a ball of thick string and tie a knot in it every 10 Cubits to make a '''Cord''' 100 Cubits long. Use this '''Cord''' to measure your garden or school playground in '''Cubits'''</span>
			----


	[[Category:Primary]]		[[Category:Primary]]

DT Online at 17:49, 10 March 2021

2021-03-10T17:49:28Z

← Older revision		Revision as of 17:49, 10 March 2021
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	__TOC__		__TOC__
	[[File:Rope stretching.jpg\|right\|~~600px~~\|]]		[[File:Rope stretching.jpg\|right\|800px\|]]
	=====Introduction=====		=====Introduction=====
	Measurement and Surveying was important in '''[[:Category:Ancient Egypt\|Ancient Egypt]]''' because the annual floods buried or destroyed boundary markers, which then had to be re-established to check ownership of the fields.		Measurement and Surveying was important in '''[[:Category:Ancient Egypt\|Ancient Egypt]]''' because the annual floods buried or destroyed boundary markers, which then had to be re-established to check ownership of the fields.

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__TOC__
[[File:Rope stretching.jpg|right|600px|]]
=====Introduction=====
Measurement and Surveying was important in '''[[:Category:Ancient Egypt|Ancient Egypt]]''' because the annual floods buried or destroyed boundary markers, which then had to be re-established to check ownership of the fields.

The Egyptians are thought to have developed the [https://en.wikipedia.org/wiki/Ancient_Egyptian_units_of_measurement|'''Cubit''']. This measurement was used by many ancient peoples and in the '''[[:Category:Middle Ages|Middle Ages]]'''. It is taken to be the length from the bent elbow to the tips of the fingers – a distance of approximately 18 inches or 450mm. The actual measurement would vary from person to person and so standard '''Cubit''' length rods were made and placed in Temples where they could be accessed for reference.

=====Cubit Rod=====
[https://en.wikipedia.org/wiki/Measuring_rod#Ancient_Egypt|'''Cubit Rods'''] were made from wood, slate or stone, some with markings to show sub-divisions. The [https://en.wikipedia.org/wiki/Cubit#Ancient_Egyptian_royal_cubit|’’’Ancient Egyptian Royal Cubit’’’] was divided into 7 [https://en.wikipedia.org/wiki/Palm_(unit)#Ancient_Egypt|’’’Palms’’’]. A '''Palm''' was based on the width of the palm of the hand.

[[File:Cubit rod Turin Museum.PNG|center|600px|]]

[[File:PalmDigit.png|right|250px|]]
=====Palm=====
'''Palms''' were further divided into 4 [https://en.wikipedia.org/wiki/Digit_(unit)|’’’Digits’’’] based on the width of the human fingers which was a common unit of measurement in ancient times. So four '''Digits''' equal one '''Palm''' and seven '''Palms''' equal one '''Cubit''' - the wooden '''Cubit Rod''', one '''Cubit''' long, was marked in '''Palm''' and '''Digit''' divisions and used by Architects and Surveyors as we now use our modern '''[[Rules and Straight Edges|Rules]]'''.

=====Cord=====
It is probable that for convenience, there were also Rods made which were several Cubits long and for surveying purposes, Egyptians used a knotted rope or '''Cord''' of 100 Cubits length. Ancient Egyptian surveyors were known as '''Harpedonapata''' or '''rope-stretchers''' and a length of rope longer than 100 Cubits may have been too difficult to pull tight when measuring.

[[Category:Primary]]
[[Category:Topics, Projects and Tasks]]
[[Category:Measuring and Surveying]]
[[Category:Ancient Egypt]]

Early Egyptian Measurements - Revision history

DT Online at 18:13, 10 March 2021

DT Online at 17:49, 10 March 2021

DT Online: Created page with "__TOC__ 600px| =====Introduction===== Measurement and Surveying was important in '''Ancient Egypt''' because the..."

DT Online: Created page with "TOC 600px| =====Introduction===== Measurement and Surveying was important in '''Ancient Egypt''' because the..."