Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different places on the disk. Not everyone sees the same colours. Created by Charles Benham (1860-1929) an English newspaper-man and toymaker. Dated 19th Century
SuperStock offers millions of photos, videos, and stock assets to creatives around the world. This image of Benham's Disk (Benham's Top) a top painted with the pattern shown. When the disk is spun, arcs of pale colour, called Fechner colours (or pattern-induced flicker colours (PIFCs), are visible at different places on the disk. Not everyone sees the same colours. Created by Charles Benham (1860-1929) an English newspaper-man and toymaker. Dated 19th Century  by World History Archive/Image Asset Management is available for licensing today. 
DETAILS
Image Number:  1746-29018183Rights ManagedCredit Line:World History Archive/Image Asset Management/SuperStockCollection: Contributor: Model Release:NoProperty Release:NoResolution:4510×4650
