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Isaac Newton’s Reflecting Telescope (replica)

1668; 1924

Small Newtonian telescope, on stand (not original)

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

1817-1862

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

1740-1780

Dall-Kirkham Cassegrain reflecting telescope of folding design

1974

Modified Maksutov reflecting telescope

1960

Engraving, William Herschel's twenty-foot reflecting telescope

1794

Nasmyth reflecting telescope on turntable stand, 1850-1852

1850-1852

Dall-Kirkham reflecting telescope, 1960-1975

1960-1975

Folding telescope designed by Horace Dall

1960-1975

Reflecting telescope by William Herschel, 1783-1785

1783-1785

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

1808-1850

Reflecting telescope with trolly stand, 1767-1768

1767-1768

Brass Gregorian reflecting telescope by George Adams

1734-1796

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

1747-1784

Brass component from "Twin Equatorial" Telescope

1885

Twin reflecting and refracting telescopes on observatory mounting, 1885

1885

Hadley's Gregorian reflecting telescope, c.1740

1740-1744

photograph, Newton's Telescope

1876

Gregorian reflecting telescope

Brass Gregorian reflecting telescope

1850-1855

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

1740-1769

Gregorian reflecting telescope

1740-1780

Small hand Gregorian reflecting telescope

1750

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

1890

Caroline Herschel's telescope, 1795-1816

1795-1816

Model of the Great Rosse Telescope, 1842-1845

1844-1845

Photograph of a reflecting telescope

1884

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

1790-1835

Gregorian reflecting telescope, 1748-1788

1748-1788

Cassegrain reflecting Telescope of 2 1/2-inch aperture

1756-1758

Cassegrain reflecting telescope, 1762-1774

1762-1774

Gregorian reflecting telescope, 1734-1772

1734-1750

Gregorian reflecting telescope

Gregorian reflecting telescope

1785-1795

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

1826-1842
Meade LX200 computer controlled Schmidt-Cassegrain Telescope, 8-inch aperture with equatorial fork mounting and adjustable tripod stand.

Computer controlled Schmidt-Cassegrain Telescope with mounting, 1997

1997
Photographs of the 40-inch Reflecting telescope built for the Stockholm Observatory, Sweden by Sir Howard Grubb, Parsons & Company at their optical works in Newcastle-on-Tyne, England.

Photographs of the 40-inch Reflecting telescope built for the Stockholm Observatory

1927-1931
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 a middle section of the telescope tube arriving at the Observatory.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 an engineering drawing of the Mercury trough main bearing, worm wheel gear, quick-motion drive and driving clock.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 lower section of the telescope tube on a lorry ready for transportation up the mountain.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 telescope's completed Polar Axis and the lower section of the tube being assembled in the observatory dome.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 upper steel float of the telescope's polar axis being tested with compressed air. The lower float is also shown in position in the Mercury Trough.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 steel brackets of the telescope's Polar Axis in a planing machine in the engineering works of the fabricator.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
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 a model of the telescope mounting.

Bromide print related to and showing various stages in the construction of the Hooker 100-inch reflecting telescope

1916-1918
Section of six photographs and diagrams showing the design and construction of the Pretoria 74-inch Reflecting Telescope (WO ScM 269/58/1) built by Sir Howard Grubb, Parsons & Company

Photographs and diagrams showing the design and construction of the Pretoria Reflecting Telescope

1938
Lithograph: The Great telescope. Erected at Birr Castle in Ireland, by the Earl of Rosse. Lithographed by N. Bevan after Henrietta Compton 50x32cm. c.1845

The Great telescope. Erected at Birr Castle in Ireland, by the Earl of Rosse

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
Maksutov telescope by Horace E. Dall with focusing knob and three eyepieces

Maksutov telescope by Horace E. Dall

1960-1980
Small Gregorian reflector on stand - tube sectioned lenghtways

Gregorian reflector on stand

1800-1860