Circular slide rule for calculating steam engine horse power

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Circular slide rule for calculating steam engine horse power
Science Museum Group
© The Board of Trustees of the Science Museum

Circular slide rule for calculating steam engine horse power, laminated card with three rotating discs, patented by Henry Golding 1907, in original cardboard box with instructions

Details

Category:: Mathematics

Object Number:: 1988-460

type:: circular slide rule (engineering)

credit:: Mr Peter Delehar

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Circular slide rule for calculating steam engine horse power

Details

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