Section of a reflecting telescope for astronomy

Gregorian reflecting telescope, possibly by Benjamin Martin of London, unsigned, late 18th century

Two and a quarter inch reflecting telescope by James Short of Edinburgh, 1735

Reflecting telescope of brass, 2 1/4 inch, pillar-mounted on wooden case, signed and made by James Short of London, c. 1765

Surviving portions of a twelve-inch aperture reflecting telescope acquired by Sir David Gill in 1866 - two mounted primary mirrors, two helical tube sections and some smaller parts

4 1/2 inch reflecting telescope, by James Short of Edinburgh, 1737

Newtonian reflecting astronomical telescope with octagonal wooden barrel and wooden stand, complete with reflecting optics and spare eyepieces and set into a tray in the stand, unsigned, English, c. 1830

2 3/4 inch reflecting telescope in brass, on desk top mount, no case, by W. & S. Jones, London, c. 1800