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Browning Position Filar micrometer for the eyepiece of an astronomical telescope
Browning, John; Broadhurst, Clarkson & Co
Post 1908
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Compact Pen Telescope and Microscope
Tasco
1997
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Enbeeco Cub Pocket telescope
Newbold and Bulford Ltd
Early 20th c.
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Gregorian reflecting telescope & case
c.1750
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Model of Henry Blackham's Patent Surveying Level
Blackham, Henry
Late 19th c.
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Pocket telescope and case
Early 19th c.
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Refracting telescope
Early 18th c.
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refracting telescope
c.1780
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Refracting telescope
c.1700?
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Refracting Telescope on Tripod Stand
c.1820-1850
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Spy Tabby Infrared Monocular MK1 (T) ZA23119
c.1942
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SR-40 Zoom Telescope
Parker Hale
Late 20th c.
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Steinheil Cones & case
Early 20th c.
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telescope
Late 19th c.
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telescope & case
Late 20th c.
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telescopic tube to hold a Steinheil cone
1870
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telescopic tube to hold a Steinheil cone
1870
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The Charles Frank Junior Astronomical Telescope
Charles Frank Limited
1964
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VVT300 VisAble VideoTelescope
Betacom Corporation Inc.
2002
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