Details
A late 17th-Century brass circumferentor,
signed Buterfield AParis, the horizontal circle with 0° - 360° outer scale, the inner scale divided into four quadrants, the horizontal circle with four fixed slit-sights, the alidade with two similar sights, the compass box with engraved circle divided into four quadrants and compass cardinal points, the fine, brass-capped, iron needle with -- 5.5/8in. (14.3cm.) diameter
See Colour Illustration and Detail
signed Buterfield AParis, the horizontal circle with 0° - 360° outer scale, the inner scale divided into four quadrants, the horizontal circle with four fixed slit-sights, the alidade with two similar sights, the compass box with engraved circle divided into four quadrants and compass cardinal points, the fine, brass-capped, iron needle with -- 5.5/8in. (14.3cm.) diameter
See Colour Illustration and Detail