SALE WEDNESDAY AFTERNOON, JANUARY NINTH, AT TWO O’CLOCK FIRST SESSION NUMBERS 1-173 EARLY ASTRONOMICAL AND MATHEMATICAL INSTRUMENTS MOST OF WHICH WERE USED IN NAVIGATION NUMBERS 1-33 1 SIGHT FOR CANNON, BY BUTTERFIELD PARIS, 17TH CENTURY Made of brass. With two pinules pivoting on lyre-shaped foot pierced for true line. Length of level, 63/4 inches From the Spitzer legacies. 2 TWO MATHEMATICAL INSTRUMENTS FRENCH, 17TH AND 19TH CENTURIES Marine compass of copper pivoting in brass arch, needle missing; level with graduated scale and folding pinules. Maker’s name effaced. (2) Diameter of compass, 31/2 inches; length of level, 201/4 inches From the Spitzer legacies. 3 OCTANT OF BRASS FRENCH, EARLY 19TH CENTURY The graduations of limb on a plaque of silver. Sight with crystal partly silvered, pivoting triple lens of amber, green and red glass, mirror reflector, wood handle. Radius, 83/4 inches From the Spitzer legacies. 4 NAVIGATOR’S CIRCLE, BY LENOIR PARIS, 18TH CENTURY Graduated half-circle with hand fastened to pivoting disk. Engraved with the maker’s name and « Depot general de la Marine ». Diameter, 13 inches From the Spitzer legacies. 5 LEVEL OF GILDED BRASS, BY BLONDEAU PARIS, 17TH CENTURY Pierced arch of forty-five degrees with graduated scale. The true line is given by a pendulum terminating in heart-shaped pendant. Signed by the maker. Height, 3 inches Described in « La Collection Spitzer », Paris, 1892, vol. 5, p. 97, No. 65 (attributing this instrument to an early German maker). SALE, PARIS, 1893, CATALOGUE NUMBER 2824. 1
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