Circular unit of Finsen lamp
1890-1900
“Quartz melted by lightning at Packington.”
1790-1819
Empty packet: “Quartz melted by lightning at Packington.”
1790-1819
John Dee's crystal, Europe, 1582
1582
Multiplying spectacles, 1650
1650
Heurtley magnifier, 1919.
1919
Charles Vernon Boys' Original Gravitational Apparatus, 1889
1889
Quartz Fibres by Sir Charles Vernon Boys, 1887-1892
1887-1892
Quartz pebble
Quartz, incorrectly thought to be a bezoar
Quartz Crystal used for Oscillator
2012
Quartz pebble from well sacred to St. Kieran
Four quartz optical flats
1920-1939
Boar's tusk amulet
1870-1920
Boys' Radiomicrometer, 1887-1900
1887-1900
Limestone Syrian weight, cone shaped, from Gaza, Deben system
circa 1500 BCE
Piece of textile from Finsen
1890-1900
Circular quartz planar mirror (5-inch)
1960-1970
Quartz pebble
Barrel-shaped haematite weight
circa 1700-1600 BCE
White quartz Syrian weight, cone shaped, from Gaza, Deben system
circa 1500 BCE
Quartz, incorrectly thought to be a bezoar
Barrel-shaped haematite weight
circa 1700-1600 BCE
Concave iron block with crystal quartz attached
Length of Boys' Quartz Fibre in Display Case, 1887-1892
1887-1892
Spectacles: metal frame, smoked quartz; hinged extensi
1770-1850
Barrel-shaped haematite weight
circa 1700-1600 BCE
Quartz arrowhead in gold mount
1880-1920
Hollow Prism of natural quartz with mounting lug on base
1900-1905
Small metal tinder box with steel incorporated round rim
1820-1900
Brown haematite Syrian weight, barrel shaped, from Gaza, Deben system
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Limestone Syrian weight, cone shaped, from Gaza, Deben system
circa 1500 BCE
Irregular stone weight
1880-1920
Specimen of quartz
Stone, piece of quartz
1881-1910
Irregular stone weight, with central hole
1880-1920
Quartz stone
Irregular stone weight
1880-1920
left-handed quartz prism by Adam Hilger Ltd.
1900-1905
Quartz Crystal for X-ray polychromator, England, 1980
1978-1980
Barrel-shaped haematite weight
circa 1700-1600 BCE
Barrel-shaped haematite weight
circa 1700-1600 BCE
Irregular stone weight
1880-1920
Shrine of lingam in yoni
1801-1900
Quartz prism of right rotation
Tumbler, quartz, cylindrical, flat base, Italian
Chunk of quartz
1850-1920
Leaf-shaped snuff bottle with snuff spoon
1851-1900
Quartz cell, part of Hilger-Nutting Spectrophotometer, used by R.A. Morton, 1927
c.1927