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Quintant marked "Adams London", circa 1840
quintant and case
INSTRUMENTS - QUINTANTSAdams
England, London
circa 1840
radius 5-3/4 in.
Quintant; frame brass marked "Adams London", dated ca 1840?; scale silver graduated -2 deg. to 149 deg. by 1 deg. subdivided to 20'; index arm w/swinging magnifier; vernier reading to 15'; tangent screw; index mirror with 3 shades; adjustable horizon glass with 2 shades; adjustable sight vane for telescope; 3 screw on brass legs; screw on wooden handle. Measuring to 136°.
1947.552