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