An old engraving showing Isaac Newton and his reflecting telescope, London, England, UK c. 1670. It is from a Victorian mechanical engineering book of the 1880s. The Newtonian telescope, also called the Newtonian reflector or just the Newtonian, is a type of reflecting telescope invented by the English scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton's first reflecting telescope was completed in 1668 and is the earliest known functional reflecting telescope.
An old engraving showing Isaac Newton and his reflecting telescope, London, England, UK c. 1670. It is from a Victorian mechanical engineering book of the 1880s. The Newtonian telescope, also called the Newtonian reflector or just the Newtonian, is a type of reflecting telescope invented by the English scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton's first reflecting telescope was completed in 1668 and is the earliest known functional reflecting telescope. The Newtonian telescope's simple design has made it very popular with amateur telescope makers.
Size: 2706px × 3071px
Location: London, England, UK
Photo credit: © M&N / Alamy / Afripics
License: Licensed
Model Released: No
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