Demainbray's polemoscope
1701-1752
Gregorian reflecting telescope, 1748-1788
1748-1788
Whirling speculum mirror with components
1762
Gregorian reflecting telescope
Reflecting telescope with trolly stand, 1767-1768
1767-1768
Brass Cassegrain reflecting telescope of 3 inch aperture, with altazimuth mount, stand and accessories
1790-1835
Brass Gregorian reflecting telescope by George Adams
1734-1796
Gregorian reflecting telescope of 6 inch aperture and 30 inch focal length by Thomas Morton
1817-1862
Large Diffraction Astronomical Spectroscope to Thorp's design with two prism
1910-1920
Aquatic microscope by J. Cuff with extra stand No. 34 and fishskin case
1745
Scioptic ball, ostensibly by George Adams
Brass Gregorian reflecting telescope
1850-1855
Solar microscope accessory
1753
Small Newtonian telescope, on stand (not original)
Scioptic ball and mirror
Scioptic ball, ostensibly by George Adams
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
1826-1842
Primary speculum mirror of 13 1/4-inch diameter
1840-1850
Four primary metal speculum metal mirrors
1840-1850
Scioptic ball probably made by Adams
Brass Gregorian reflecting telescope of 7-inch aperture
1800-1890
Gregorian telescope, c. 1745.
1740-1750
Gregorian reflecting telescope, 3-inch aperture and altazimuth mount
1750-1760
Elliptical plane mirror (diagonal flat for Newtonian telescope) minor axis 1 1/2"
1780-1820
Brass Gregorian reflecting telescope of 2 3/4-inch aperture by Edward Nairne
1749-1774
Brass Gregorian reflecting telescope of 2 1/2-inch aperture by James Short
1760-1762
Brass Gregorian reflecting telescope of 2 1/2 inch aperture by James Watson
1780-1824
Gregorian Reflecting Telescope of 4 3/8-inch aperture by James Short
1763-1765