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The Ultra-Violet Limit of Chance's 'Crookes' Glasses Compared with White Spectacle Glass and Some Common Tinted Glasses
ARCHIVAL ITEMS
spectrum chart
Chance Brothers & Co. Ltd
Europe: United Kingdom, England, Birmingham, Smethwick
1920s
paper
overall: 126 mm x 191 mm
1998.275
ARCHIVAL ITEMS
spectrum chart
Chance Brothers & Co. Ltd
Europe: United Kingdom, England, Birmingham, Smethwick
1920s
paper
overall: 126 mm x 191 mm
Promotional chart reproducing in black and white a spectral chart comparing various types of glass used for ophthalmic lenses. Landscape format, printed on one side only of a single sheet of white paper.
1998.275