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Neuhöffer & Sohn brass rule scale calculator ???

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    Posted 10 years ago

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    mordaunt
    (1 item)

    Anitque brass rule scale calculator, probably made in the 1880s by company Neuhöffer&Sohn in Vienna.
    Size: 22 X 5,2 cm

    Does anybody know what it was used for?

    Thanks, Matej

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