'Merman'
1801-1900
Breast pump, Europe, 1771-1830
1771-1830
Brical British calculator
1900-1909
Claude Lorrain mirror in fish-skin case
1801-1820
Clark's Simple Microscope
1755-1765
Optical cabinet or compendium in wooden mahogany case by Benjamin Martin
1765-1775
Claude Lorrain mirror
1701-1800
Compass microscope, England, 1731-1770
1731-1770
brass contact goniometer
1825-1835
Gregorian reflecting telescope
1785-1795
pocket camera obscura
1701-1800
Galilean refracting telescope (spyglass) with shagreen body and brass tubes by Henry Pyefinch
1763-1791
Magazine case of drawing instruments by E. Nairne
1749-1796
Early set of drawing instruments by William Cary
1795-1825
Claude Lorrain mirror in fishskin case with metal mounts
1780-1800
Two salmon, one with and one without growth hormone transgene, 1997
1997-2000
Brass sector by George Adams, 1756-1760, with fishskin case
1756-1760
Polemoscope or 'Jealousy Glass'
1725-1735
Claude Lorrain mirror
pancratic (variable magnification) achromatic refracting telescope
1825-1835
Pouch with curled edges
1801-1900
Terrestrial hand telescope
1690-1700
simple compass microscope with accessories: five objective lenses
1775-1785
Galilean telescope (spyglass) with achromatic object glass
1770-1780
Artificial leech set
1771-1800
Achromatic telescope, 4-draw, green shagreen with brass mounts
Simple aquatic microscope, with box-foot stand
1795-1805
Terrestrial refracting telescope
1695-1705
Terrestrial refracting telescope
Rectangular black fish-skin instrument case containing five mastoid drills and three other instruments
1860-1920
Musical transposition calculator in circular slide-rule format
1840-1880
Claud Lorraine mirror
1780-1800
Dark grey fishskin case for spyglass telescope
1701-1800
Culpeper microscope, 1730-1740
1730-1740
Early Withering Botanic simple microscope
1775-1785
Pair of chopsticks, knife and spoon in fish skin case
1801-1900
Glass prism with lugs, in shaped sharkskin case
1745-1755
Cased set of catheters
1750-1900
Fishskin case for opera glass
1701-1720
Fishskin case for glass prism
1701-1800
Culpeper microscope with accessories
Refracting terrestrial telescope
1725-1735
Gregorian reflecting telescope
1755-1765
Hand-held refracting telescope by Benjamin Martin
1770-1777
Four inch pocket case of drawing instruments by T.Heath
1720-1753
The first Gregorian reflecting telescope which was made by John Hadley in 1726
1740-1744
Culpeper type compound microscope
1735-1745
Pocket surgical instrument set in green fishskin case
1701-1830
Refracting terrestrial telescope by Mann & Ayscough
1740-1750
Glass bottle
1701-1800