Roberts' stellar pantograver is a photograph by Science Photo Library which was uploaded on March 6th, 2014.
Roberts' stellar pantograver
Roberts' stellar pantograver. This device was invented by British amateur astronomer and engineer Isaac Roberts (1829-1904). He invented this device... more
Title
Roberts' stellar pantograver
Artist
Science Photo Library
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Photograph
Description
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.
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March 6th, 2014
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