About: http://webisa.webdatacommons.org/269166177

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A number of fine stalks of glass of different colours were placed vertically, and arranged in such a manner as to depict upon the upper surface some figure or pattern, upon the principle of a minute mosaic.
http://www.w3.org/ns/prov#wasQuotedFrom	uchicago.edu