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Optical illusion: Long and Short Lines (colour litho)

IMAGE number
LLM5206003
Image title
Optical illusion: Long and Short Lines (colour litho)
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Artist
English School, (20th century) / English
Location
Private Collection
Medium
colour lithograph
Image description

Long and Short Lines. This illusion is very apparent. The two lines AB and CD are of exactly equal length. This may be proved by measurement. The direction of the arrow points, however, cause the line AB to appear very much shorter than CD. Illustration for one of a set of cigarette cards on the subject of Optical Illusions, published by Ogden's, early 20th century.

Photo credit
© Look and Learn / Bridgeman Images
Image keywords
optical / cards / historical / long / cigarette / card / history / illusion / illusions / educational / visual / perception / Short Lines
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Asset - General information
Largest available format 1776 × 3348 px 2 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB]
Large 1776 × 3348 px 150 × 283 mm 1.5 MB
Medium 543 × 1024 px 46 × 87 mm 861 KB

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