Surveying Instruments and Techniques. C017 / 3438
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Surveying Instruments and Techniques. C017 / 3438
Plate from 18th century encyclopedia showing illustrations of various surveying instruments and techniques. Diagrams show the use of chains to measure baselines. Also shown is a circumferentor, or surveyors compass, an instrument used in surveying to measure horizontal angles, now superseded by the theodolite. At the bottom various levels are illustrated including; air level, foot level, Huygens level, gunners level and plumb level
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Media ID 9340859
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Chain Compass Encyclopedia Horizontal Survey Surveyor Theodolite
EDITORS COMMENTS
This print from the 18th-century encyclopedia showcases an array of surveying instruments and techniques. The intricate diagrams provide a glimpse into the world of land measurement during that era. One can observe the utilization of chains to measure baselines, a fundamental practice in surveying. Additionally, prominently featured is a circumferentor, also known as a surveyor's compass, which was employed to determine horizontal angles. However, this instrument has since been replaced by the more advanced theodolite. At the bottom section of the print, various levels are illustrated for reference purposes. These include an air level, foot level, Huygens level, gunners level, and plumb level. Each type served specific functions within surveying practices. The historical significance of this image lies in its portrayal of traditional methods used by early surveyors to map out landscapes accurately. It serves as a testament to their ingenuity and resourcefulness before modern technological advancements revolutionized the field. This remarkable print captures not only scientific knowledge but also artistry through its detailed illustrations and precise depictions. It stands as a reminder of how far we have come in our understanding and application of surveying techniques while honoring those who laid down its foundations centuries ago.
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