Circular unit of Finsen lamp
1890-1900
Leaf-shaped snuff bottle with snuff spoon
1851-1900
Boys' Radiomicrometer, 1887-1900
1887-1900
Spectacles: metal frame, smoked quartz; hinged extensi
1770-1850
Circular quartz planar mirror (5-inch)
1960-1970
John Dee's crystal, Europe, 1582
1582
Stone, piece of quartz
1881-1910
Quartz pebble
Quartz arrowhead in gold mount
1880-1920
Irregular stone weight
1880-1920
Veined water worn stone
1890-1930
Specimen of quartz
Quartz Crystal used for Oscillator
2012
Tumbler, quartz, cylindrical, flat base, Italian
Transverse folding
1801-1900
Barrel-shaped haematite weight
circa 1700-1600 BCE
Transparent quartz Syrian weight, barrel shaped, from Gaza, Deben system
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Small metal tinder box with steel incorporated round rim
1820-1900
Hollow Prism of natural quartz with mounting lug on base
1900-1905
Heurtley magnifier, 1919.
1919
Charles Vernon Boys' Original Gravitational Apparatus, 1889
1889
Irregular stone weight, with central hole
1880-1920
Small stone weight
1851-1910
Irregular stone weight
1880-1920
Quartz stone
Boar's tusk amulet
1870-1920
Irregular stone weight
1880-1920
Quartz, incorrectly thought to be a bezoar
Quartz, incorrectly thought to be a bezoar
Bow, transverse folding spectacles
1690-1720
Quartz pebble from well sacred to St. Kieran
Quartz pebble
Six small pieces of quartz rod
1887-1892
Quartz Fibres by Sir Charles Vernon Boys, 1887-1892
1887-1892
Concave iron block with crystal quartz attached
left-handed quartz prism by Adam Hilger Ltd.
1900-1905
Four quartz optical flats
1920-1939
Shrine of lingam in yoni
1801-1900
Quartz microscope specimen slide for ultra violet illumination
1910-1960
Multiplying spectacles, 1650
1650
Length of Boys' Quartz Fibre in Display Case, 1887-1892
1887-1892
Lummer plate
1904-1948
Quartz Crystal for X-ray polychromator, England, 1980
1978-1980
Mortar,bowl shape, polished yellow/brown quartz
1501-1900
Limestone Syrian weight, cone shaped, from Gaza, Deben system
circa 1500 BCE
Limestone Syrian weight, cone shaped, from Gaza, Deben system
circa 1500 BCE