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The merkhet or merjet (Ancient Egyptian: mrḫt, 'instrument of knowing' [1]) was an ancient surveying and timekeeping instrument. It involved the use of a bar with a plumb line, attached to a wooden handle. [2] It was used to track the alignment of certain stars called decans or "baktiu" in the Ancient Egyptian.
The sighting instruments were the "merchet" and the "groma". The merchet was a staff with a wide notched top. The notch was a long slit through which the instrument operator aligned a fixed plumb-line and the "rope-men". This enabled them to measure long lines effectively.
Merkhet, a timekeeping and surveying instrument, made in Ancient Egypt, 600BCE. Made in bronze with hieroglyphic text inlaid with electrum metal. The device has been fitted with a replica plumb bob, probably at some point during the early twentieth century.
Jul 3, 2018 · AncientPages.com - A merkhet ("instrument of knowing") was an ancient Egyptian timekeeping instrument used for telling time at night. It is an amazing example of ancient technology. The device was used for gauging astronomical alignments, with which the Egyptians achieved impressive accuracy — often less than an inch or so from ...
Jan 3, 2008 · An instrument developed by the Greeks sometime in 130 B.C., and known to be their most famous surveying instrument. The diopter was used for leveling, laying off right angles, and for measuring horizontal and vertical angles.
Module 1 of Surveying module introduction to surveying surveying is an art of and science of determining angular and linear measurements to establish the form.
Both men were able to put together in one instrument the essential parts of what has long been known as the universal surveying instrument. Semi circumferentor – An early surveying instrument which was used to measure and lay off angles and establish lines of sight by employing peep sights.
The sighting instruments were the "merchet" and the "groma". The merchet was a staff with a wide notched top. The notch was a long slit through which the instrument operator aligned a fixed plumb-line and the "rope-men". This enabled them to measure long lines effectively.
Developed by the GREEKS sometime in 130 BC, greeks' most famous surveying instrument. It was used for levelling, laying off right angles, and for measuring horizontal and vertical angles.
Jan 23, 2021 · The Merchet instrument which is a plum bob with a squared rigid backframe to determine a true vertical line. Experimentation from there developed the Groma through Egypt and Greece. This process began prior to the development the pyramids, as there is some evidence that some form of Merchet was used in their construction.
