Varnished interlacing sheets of leather in a cylinder shape

Made:
1912-1914 in Edinburgh
maker:
Alexander Crum Brown

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Knotted cylinder of interlacing sheet in varnished leather, gradual colours, by Alexander Crum Brown, described in the
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Knotted cylinder of interlacing sheet in varnished leather, gradual colours, by Alexander Crum Brown, described in the
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Interlacing sheets of varnished different coloured leather in a cylinder shape, by Alexander Crum Brown, Edinburgh, Scotland, United Kingdom, 1912-1914. Described in the Napier Tercentenary Handbook as a knotted cylinder of gradual colours.

If the two edges of the plane above are matched with a different colour when the surface is rolled to make a cylinder, the outcome is one surface wrapped three times around. This is made clear by the graduation in colouring. Crum-Brown referred to this as ‘knotted’ as opposed to ‘locked’.

Details

Category:
Mathematics
Object Number:
2006-61
Materials:
complete, leather
type:
model - representation
taxonomy:
  • visual and verbal communication
credit:
School of Mathematics, The University of Edinburgh
status:
Permanent collection

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