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| ⚫ | In ] '''Rope stretchers''' were ]s who ]d ] lines and ] using ]s which they stretched in order to take the sag out of the rope. As far back as the ]s of ] and the ] the Egyptians document the process the royal surveyors used to restore the boundaries of fields after each innundation or ]. | ||
| ==Stretching the rope == | |||
| Rope stretchers used ] the plumet, which are still in use by modern surveyors. The plummet can be used with a square ruled off into intervals on tongue and blade to get a unit rise and run or angle when taking an elevation to a distant point as with a modern sextant. | |||
| ⚫ | In ancient Egypt '''Rope stretchers''' were ]s who ]d |
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| Rope stretching technology spread to ] and ], where it stimulated the development of ] and ]. | |||
| ==Surveying the fields== | |||
| ] and the Scorpion ] portray themselves controlling the land through their control of the water that irrigates the land. On the ] palette ] assists ] by opening the ways of '''3kr''' the personified god of the land itself shown in the image to the right as a man with a field growing out of his head. | |||
| The ] pose is a man striding forward with raised mace toward a subservient subject, which in this case is labled st3t or a field whose kht is 100 royal ]s. | |||
| : 1 ] = 1 side of an 3ht of length 100 ]s | |||
| : 1 st3t = a field of side 100 royal cubits. | |||
| Strabo wrote (emphasis added): | |||
| :"Of the officials, some are market commissioners, others are city commissioners and others are in charge of the soldiers. Among these, the first keep the rivers improved and the '''land remeasured''', as in Egypt, and inspect the closed canals from which the water is distributed into the conduits, in order that all may have an equal use of it. The same men also have charge of the hunters and are authorized to reward or punish those who deserve either. They also collect the taxes and superintend the crafts connected with the land — those of wood-cutters, carpenters, workers in brass, and miners. '''And they make roads, and at every ten stadia place pillars showing the by-roads and the distances.'''" | |||
| Many people think the Romans invented the idea of the milestone but here we can see that it may have originated as a benchmark used by rope stretchers to reastablish the metes and bounds of fields after all other references had been washed away by flood. | |||
| The idea of surveying fields using benchmarks would be to establish them along a baseline so that from any one a bearing could be taken and a distance measured out to the place where the next should be. Baselines could be laid out by sighting on the sun or stars. Very likely this would be accomplished by the use of ''mekhert'' and ''bey'', the Egyptian sighting instruments which preceeded the Greek ''dioptra'' and Roman ''groma''. The Egyptians also used ''hayt'' of ten cubits which were very similar to what modern surveyors call ]s and served the same purpose. The Egyptians also used the plumet and 3 - 4 - 5 triangles which are still in use by modern surveyors. The plummet can be used with a square ruled off into intervals on tongue and blade to get a unit rise and run or angle when taking an elevation to a distant point as with a modern sextant. | |||
| == References == | |||
| * Strabo{{Section:Book reference after author|Year=|Title=The Geography|Publisher=|ID=}} | |||
| == See also == | == See also == | ||
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In ancient Egypt Rope stretchers were surveyors who measured property lines and foundations using knotted cords which they stretched in order to take the sag out of the rope. As far back as the palettes of Narmer and the Scorpion King the Egyptians document the process the royal surveyors used to restore the boundaries of fields after each innundation or flood.
Rope stretchers used 3-4-5 triangles the plumet, which are still in use by modern surveyors. The plummet can be used with a square ruled off into intervals on tongue and blade to get a unit rise and run or angle when taking an elevation to a distant point as with a modern sextant.
Rope stretching technology spread to ancient Greece and India, where it stimulated the development of geometry and mathematics.
See also
External links
- rope stretchers
- surveying instruments
- proportions "The knowledge of pleasing proportions of the rope stretchers was incorporated by the Greeks"