Wooden scale ruler

Made:: 1839-1865 in London

maker:: Holtzapffel and Company

Wooden scale ruler, stamped Captain Haldane's Military Scales'

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Wooden scale ruler, stamped Captain Haldane's Military Scales'
Science Museum Group
© The Board of Trustees of the Science Museum

Wooden scale ruler, stamped "Captain Haldane's Military Scales", by Holtzapffel & Co., London, used with a set square as a modified form of Marquois scales, B1751

Details

Category:: Mathematics

Collection:: Sir Henry Wellcome's Museum Collection

Object Number:: 1989-631

Materials:: boxwood

type:: drawing instruments, military scales (marquois) and set squares

credit:: On loan from the Wellcome Trust

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