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FINE ANTIQUE ENGLISH FOLDING RULER SECTOR RULE ELLIOTT LONDON - arustocracy

FINE ANTIQUE ENGLISH FOLDING RULER SECTOR RULE ELLIOTT LONDON

$239.00
A fine English, ox bone sector rule by Elliott Bros, Strand, London dating from between 1854 and 1880. Scales for inches, decimal feet, lines of sines, tangents, equal parts, chords, numbers (log scales for multiplication), polygons, secants. 6 inches by 1 3/8 inches folded, 12 inches unfolded.
No chips, no cracks, good pins, clean legible scales, opens and closes smoothly and tightly.

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