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