$1,126
Lacquered Brass Integraph by Keuffel & Esser, Switzerland, late 19th century, the finely crafted instrument stamped Keuffel & Esser, New York--Made in Switzerland , steel rollers and geared limbs with vernier read-out calibrations all in a fitted wooden box, boxed, lg. 14, dp. 11 3/4 in. in nearly unused condition.
Auctioneer:
Skinner
Date:
2010-11-20