antik.it/Antique-measuring-instruments/6964-Surveyor-square/
1620912740Code 6964 Surveyor squareOctagonal brass surveyor's square, complete with tip for tripod coupling that screws inside the surveyor square when the instrument is placed in its original walnut box. Italian manufacture from the early 19th century. Very good condition. Box size 10.2 x 8.4 cm - 4x3.3 inches, height 7.5 cm - 2.9 inches.
The surveyor square is made up of a cylindrical brass box, on which eight targets are practiced, which are used to trace alignments at 45 ° or multiples of 45 °.
The graduated surveyor's square is used for the detection or formation on the ground of alignments at any angle.
Topography studies instruments, surveying techniques, calculus and plans to represent graphically in scale a part of the Earth surface on a map, indicating its details like streets, rivers, buildings, cultivations… Topography is a very antique science. Egyptians measured lands along the Nile for tracing borders after periodic overflows of the river. Greeks and Romans used some topographical method very precise; some topographers teams (“gromatici”) following Roman legions traced borders and divided conquered lands in regular plots, then described and represented on copper plates. Arabs used topography to made maps and to measure agrarian surfaces and lands for cadastral use.
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Antique measuring instruments
Code 6964 Surveyor square
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