Roberts stellar pantograver
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Roberts stellar pantograver
Roberts stellar pantograver. This device was invented by British amateur astronomer and engineer Isaac Roberts (1829-1904). He invented this device to allow the positions of stars to be engraved on copper plates. Roberts described the device in an article published in 1888 in Volume 49 of Monthly Notices of the Royal Astronomical Society (MNRAS). The labels indicate: the framework (A), roller-mounted cast-iron platforms mounted at right-angles (B and C), a square stage (D) and a round stage (E), and various micrometers, microscopes, eyepieces, and adjusting screws (F-M). The engraving tool (N) is at upper left
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9225471
© ROYAL ASTRONOMICAL SOCIETY/SCIENCE PHOTO LIBRARY
1888 Astrophotography Coordinates Device Engineering Engraved Eyepiece Framework Instrument Isaac Roberts Machine Machinery Microscope Microscopes Photographic Photography Platforms Positions Roller Stages Star Atlas Stellar Welsh Engraver Micrometer Rollers
EDITORS COMMENTS
This print showcases the remarkable Roberts stellar pantograver, a groundbreaking invention by British amateur astronomer and engineer Isaac Roberts. Crafted in the late 19th century, this intricate device revolutionized astronomical recording by allowing stars' positions to be meticulously engraved onto copper plates. The image provides an insightful glimpse into the inner workings of this historical machinery. The labels thoughtfully guide us through its various components: from the sturdy framework (A) to roller-mounted cast-iron platforms positioned at right angles (B and C). Notably, a square stage (D) and round stage (E) are also present, serving as essential elements in capturing celestial coordinates accurately. A multitude of micrometers, microscopes, eyepieces, and adjusting screws (F-M) further enhance precision and control during operation. Prominently featured is the engraving tool (N), located at the upper left corner of the photograph. This vital instrument played a pivotal role in etching detailed star positions onto copper plates with utmost finesse. As we delve into this monochrome snapshot from 1888's Monthly Notices of the Royal Astronomical Society publication, it becomes evident that Roberts' stellar pantograver was an extraordinary technological achievement for its time. Its significance lies not only in advancing astrophotography but also contributing to our understanding of celestial bodies through accurate star atlases. This print serves as both a testament to Isaac Roberts' ingenuity and an intriguing window into astronomical history—a tangible reminder of how technology has propelled our exploration beyond Earth's boundaries.
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