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Planisphere disc, 18th century C016 / 8943
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Planisphere disc, 18th century C016 / 8943
Planisphere disc. 18th-century planisphere disc providing horizon alignment and co-ordinates for Earths western hemisphere. A planisphere is a circular chart with adjustable rotating discs that are moved to show the positions of the stars at particular times or locations on the Earth. This disc includes the horizon, running from lower left to upper right. It was published in 1757 by Samuel Dunn and William Owen. Dunn, a British mathematician and amateur astronomer, was credited in 1757 as the inventor of the universal planispheres
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Media ID 9245361
© THE LIONEL PINCUS AND PRINCESS FIRYAL MAP DIVISION/NEW YORK PUBLIC LIBRARY/ SCIENCE PHOTO LIBRARY
1700s 1757 18th Century Adjustable Alignment Cartography Diagram Display Grid Horizon Invention London Celestial Map Planisphere William Owen
EDITORS COMMENTS
This print showcases a remarkable artifact from the 18th century: the Planisphere disc. Designed to provide horizon alignment and coordinates for Earth's western hemisphere, this circular chart revolutionized astronomical navigation during its time. The ingenious invention consists of adjustable rotating discs that accurately depict the positions of stars at specific times or locations on our planet. Published in 1757 by Samuel Dunn and William Owen, this particular planisphere disc is a testament to British ingenuity. Samuel Dunn, a mathematician and amateur astronomer, was credited as the inventor of universal planispheres. The disc features a comprehensive depiction of the horizon, spanning from lower left to upper right. With its intricate grid system and detailed diagram, this historical artifact offers invaluable insights into celestial mapping techniques prevalent in Europe during the 18th century. Its monochrome design adds an air of elegance and sophistication to its overall aesthetic appeal. Preserved within THE LIONEL PINCUS AND PRINCESS FIRYAL MAP DIVISION/NEW YORK PUBLIC LIBRARY/SCIENCE PHOTO LIBRARY collection, this print serves as a visual reminder of humanity's relentless pursuit of knowledge throughout history. It stands as both an homage to British innovation and an important milestone in cartography and astronomy alike.
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