"Keith's Improv'd Scale"

Made:: London

maker:: Elliott Brothers

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Keith's Improv'd Scale'
Science Museum Group
© The Board of Trustees of the Science Museum

"Keith's Improv'd Scale", electrum triangle to be used with a scale rule as a modified form of Marquois scale, engraved "Elliott London"

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Category:: Mathematics

Object Number:: 1989-851

type:: drawing instruments and military scales (marquois)

credit:: Tesseract

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"Keith's Improv'd Scale"

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