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Isaac Newton’s Reflecting Telescope (replica)

Isaac Newton’s Reflecting Telescope (replica)

1668; 1924
Caroline Herschel's telescope, 1795-1816

Caroline Herschel's telescope, 1795-1816

1795-1816
Reflecting telescope by William Herschel, 1783-1785

Reflecting telescope by William Herschel, 1783-1785

1783-1785
Twin reflecting and refracting telescopes on observatory mounting, 1885

Twin reflecting and refracting telescopes on observatory mounting, 1885

1885
Gregorian reflecting telescope, 1748-1788

Gregorian reflecting telescope, 1748-1788

1748-1788
Nasmyth reflecting telescope on turntable stand, 1850-1852

Nasmyth reflecting telescope on turntable stand, 1850-1852

1850-1852
Cassegrain reflecting telescope, 1762-1774

Cassegrain reflecting telescope, 1762-1774

1762-1774
Dall-Kirkham reflecting telescope, 1960-1975

Dall-Kirkham reflecting telescope, 1960-1975

1960-1975
Folding telescope designed by Horace Dall

Folding telescope designed by Horace Dall

1960-1975
Photographic print of Herschel's Forty-Foot Telescope, 1890

Photographic print of Herschel's Forty-Foot Telescope, 1890

1890
Model of the Great Rosse Telescope, 1842-1845

Model of the Great Rosse Telescope, 1842-1845

1844-1845
Gregorian reflecting telescope

Gregorian reflecting telescope

1785-1795
Gregorian reflecting telescope

Gregorian reflecting telescope

Reflecting telescope with trolly stand, 1767-1768

Reflecting telescope with trolly stand, 1767-1768

1767-1768
Brass Cassegrain reflecting telescope of 3 inch aperture, with altazimuth mount, stand and accessories

Brass Cassegrain reflecting telescope of 3 inch aperture, with altazimuth mount, stand and accessories

1790-1835
Dall-Kirkham Cassegrain reflecting telescope of folding design

Dall-Kirkham Cassegrain reflecting telescope of folding design

1974
Brass Gregorian reflecting telescope by George Adams

Brass Gregorian reflecting telescope by George Adams

1734-1796
Gregorian reflecting telescope, 1734-1772

Gregorian reflecting telescope, 1734-1772

1734-1750
Gregorian reflecting telescope of 6 inch aperture and 30 inch focal length by Thomas Morton

Gregorian reflecting telescope of 6 inch aperture and 30 inch focal length by Thomas Morton

1817-1862
Gregorian reflecting telescope

Gregorian reflecting telescope

1740-1780
Small hand Gregorian reflecting telescope

Small hand Gregorian reflecting telescope

1750
Gregorian reflecting telescope

Gregorian reflecting telescope

Small Gregorian Reflecting Telescope with shagreen tube on a ball socket stand

Small Gregorian Reflecting Telescope with shagreen tube on a ball socket stand

1740-1769
Brass Gregorian reflecting telescope

Brass Gregorian reflecting telescope

1850-1855
Small Newtonian telescope, on stand (not original)

Small Newtonian telescope, on stand (not original)

Brass component from "Twin Equatorial" Telescope

Brass component from "Twin Equatorial" Telescope

1885
Modified Maksutov reflecting telescope

Modified Maksutov reflecting telescope

1960
Photograph of a reflecting telescope

Photograph of a reflecting telescope

1884
Hadley's Gregorian reflecting telescope, c.1740

Hadley's Gregorian reflecting telescope, c.1740

1740-1744
Gregorian reflecting telescope of 1 1/4 inch aperture by Watkins

Gregorian reflecting telescope of 1 1/4 inch aperture by Watkins

1747-1784
Gregorian reflecting telescope of 2 5/8 inch aperture and 16 inch focal length by Thomas Wright

Gregorian reflecting telescope of 2 5/8 inch aperture and 16 inch focal length by Thomas Wright

1826-1842
Cassegrain reflecting Telescope of 2 1/2-inch aperture

Cassegrain reflecting Telescope of 2 1/2-inch aperture

1756-1758
Gregorian reflecting telescope of 2 1/2 inch aperture and 17 inch focal length

Gregorian reflecting telescope of 2 1/2 inch aperture and 17 inch focal length

1740-1780
Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case

Gregorian reflecting telescope of 2 1/2 inch aperture, with stand, tripod and case

1808-1850
photograph, Newton's Telescope

photograph, Newton's Telescope

1876
Engraving, William Herschel's twenty-foot reflecting telescope

Engraving, William Herschel's twenty-foot reflecting telescope

1794
TAL-1 Amateur Astronomer Telescope, a newtonian reflecting telescope with a 110mm mirror and a focal length of 806mm on a German type equatorial mount with slow motions, setting circles, eyepieces, filters and other accessories.

TAL-1 Amateur Astronomer Telescope, a newtonian reflecting telescope, with accessories and equatorial mount

1994
Newtonian reflecting telescope of 10-foot focal length, made by William Herschel, England, 1812. The telescope has an 8-inch speculum mirror, mahogany tube and altazimuth stand. It was installed at the Radcliffe Observatory, Oxford, in 1813.

Newtonian reflecting telescope made by William Herschel for the Radcliffe Observatory

1812
Meade Starfinder Dobsonian telescope, a newtonian reflecting telescope with a 6-inch mirror and a focal length of 48-inches on an altazimuth mount with a selection of accessories

Meade Starfinder Dobsonian telescope

1995
Newtonian reflecting telescope, made to specifications of Leon Foucault (originally fitted with silver-on-glass mirror) by Secretan, mounted on wooden table stand, Paris, 1857-1868. Accessories include three eye-pieces in fitted leather lined wooden case.

Newtonian Reflecting Telescope, by Secretan, 1857-1868

1857-1868
Newtonian reflecting telescope with ten-inch glass mirror, on an equatorial fork mounting, made by Horace Dall in Luton, England, UK, 1933-1937.

Ten-inch Newtonian telescope made by Horace Dall

1933-1937
Two enlarged photographs showing the David Dunlap 74-inch Reflecting Telescope built for the Toronto University Observatory at Richmond Hill by Sir Howard Grubb, Parsons & Company at its optical works at Newcastle-on Tyne, England.

Photographs showing the David Dunlap 74-inch Reflecting Telescope

1933
Brass Gregorian reflecting telescope of 3-inch aperture by John Cuthbert, London on altazimuth mount with claw foot stand and adjustable feet, 1852.

Gregorian reflecting telescope, 1852

1852
One of two enlarged photographs showing the David Dunlap 74-inch Reflecting Telescope for the Toronto University Observatory at Richmond Hill. View from N.W. side of Polar axis.

Enlarged photograph showing David Dunlap 74-inch Reflecting Telescope

1933
Photograph (silver print) showing the 3-foot Rosse Telescope with later equatorial mounting from the eastern side. Taken about 1880 by Lieutent-Colonel Harry J. Watson who was posted to nearby Newbridge.

Photograph showing the 3-foot Rosse Telescope

1880
One of six calotype prints, showing a 20-inch reflecting telescope with speculum mirror [Nasmyth focus] on a modified altazimuth mounting [see 1933-21] built by James Nasmyth at his Patricroft works, Manchester. Taken by him at of his large house, 'Hammerhurst' near Penshurst in Kent and dated 29th May 1866.

Calotype print of Nasmyth's 20-inch reflecting telescope, 1866

1866
One of three photographs in a wooden glazed frame showing one three telescopes at the Royal Observatory, Greenwich. One of three photographs framed together of telescopes at the Royal Observatory, Greenwich. This of the Thompson telescope, 26-inch refracting and 30-inch reflecting telescope mounted jointly.

Thompson Equatorial

1914
3" Gregorian reflecting telescope, on brass tripod, folding table stand, by W. & S. Jones, in case, date about 1800, focal length 13", 2 eyepieces

3" Gregorian reflecting telescope, on brass tripod, with case

1800-1810
One of 41 bromide prints related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope at Mount Wilson, California. This view shows the completed telescope mounting without the mirror in a vertical position inside the observatory dome.

The 100-inch Hooker Telescope, c. 1917

1916-1918
Gregorian reflecting telescope of 3-inch aperture by James Short, London [138/878 = 12] (138th of 12 inch type out of 878 made) plus 1 spare eyepiece, no stand. [replica mahogany (wood) stand was made in workshops]

Gregorian reflecting telescope of 3-inch aperture by James Short

1753-1755