'Imposible staircase', 1950s.

Exton, David

 
 
© Science Museum / Science & Society Picture Library
id: 100671

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'Imposible staircase', 1950s.
'Imposible staircase', 1950s.
Figure wheel and drawing by Charles Babbage, 19th century.
Figure wheel and drawing by Charles Babbage, 19th century.
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'Imposible triangle', c 1954.
'Imposible triangle', c 1954.
'Imposible triangle', c 1954.
'Imposible triangle', c 1954.