Volutor, instrument for drawing spirals

PART OF:: Volutor, instrument for drawing spirals

Made:: 1857 in London

patentee:: Henry Johnson

maker:: Hoffmann, F.

Volutor, instrument for drawing spirals, parts missing

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Volutor, instrument for drawing spirals, parts missing
Science Museum Group
© The Board of Trustees of the Science Museum

Volutor, instrument for drawing spirals, parts missing, patented by Henry Johnson, and made by F. Hoffman, London, England, 1857

Details

Category:: Mathematics

Collection:: Sir Henry Wellcome's Museum Collection

Object Number:: 1980-1175/1

Materials:: brass (copper, zinc alloy), ebony (wood) and steel (metal)

Measurements:: overall (lying flat): 50 mm x 370 mm x 330 mm, .75kg

type:: volutor and curve drawing instruments

credit:: Wellcome Trustees

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