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The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".This photographic reproduction is therefore also considered to be in the public domain in the United States.
Sir Isaac Newton (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [5] Newton was a key figure in the Scientific Revolution and the Enlightenment that followed. [6]
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".This photographic reproduction is therefore also considered to be in the public domain in the United States.
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Portrait of Sir Isaac Newton by Enoch Seeman, c. 1726, oil on canvas, 30 x 25 in (76 x 63.5 cm) Date: circa 1726. Source/Photographer: Philip Mould Gallery, London ...
Two of these are The Chymistry of Isaac Newton Project [12] supported by the U.S. National Science Foundation, and The Newton Project [13] supported by the U.K. Arts and Humanities Research Board. In addition, The Jewish National and University Library has published a number of high-quality scanned images of various Newton documents. [14]
Newtonian telescope design. A Newtonian telescope is composed of a primary mirror or objective, usually parabolic in shape, and a smaller flat secondary mirror.The primary mirror makes it possible to collect light from the pointed region of the sky, while the secondary mirror redirects the light out of the optical axis at a right angle so it can be viewed with an eyepiece.