alb3817201

Newtonian Reflecting Telescope

Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first displayed this telescope to King Charles II, based on a design of 1668. It had a focal length of 15cm and could magnify 30-40 times. This drawing was published in the philosophical transactions of the Royal Society in 1672.

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Title:

Newtonian Reflecting Telescope

Caption:

Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first displayed this telescope to King Charles II, based on a design of 1668. It had a focal length of 15cm and could magnify 30-40 times. This drawing was published in the philosophical transactions of the Royal Society in 1672.

Credit:

Album / Science Source

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Image size:

2550 x 3787 px | 27.6 MB

Print size:

21.6 x 32.1 cm | 8.5 x 12.6 in (300 dpi)

Keywords:

1600S • 17TH CENTURY • AGE OF DISCOVERY • ASTRONOMY • COLORIZATION • COLORIZED • ENHANCED • ENHANCEMENT • HISTORIC • HISTORICAL • HISTORY • INVENTION • ISAAC NEWTON • NEWTON • NEWTONIAN TELESCOPE • OPTICS • REFLECTING TELESCOPE • REFLECTOR TELESCOPE • SCIENCE HISTORY • TELESCOPE