Sector with scales of chords and equal parts combined with quadrantal protractor or clinometer

Made:: 1700-1799 in England

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Sector with scales of chords and equal parts combined with
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Sector with scales of chords and equal parts combined with quadrantal protractor or clinometer, brass, English, 18th century

Details

Category:: Mathematics

Object Number:: 1990-621

Materials:: brass

type:: proportion drawing instruments and sectors

credit:: Tesseract

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Sector with scales of chords and equal parts combined with quadrantal protractor or clinometer

Details

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