16 TELESCOPE OF GILDED BRONZE, BY PASSEMENT PARIS, 18TH CENTURY Covered with shagreen. The Gregory System. The instrument is fixed on stand of slender baluster form with folding tripod. Signed by the maker on circular plaque. Length of telescope, 17 inches; height of stand, 14 inches Described in « La Collection Spitzer », Paris, 1892, vol. 5, p. 183, No. 132. SALE, PARIS, 1891, CATALOGUE NUMBER 2891. 17 BRASS LUNETTE, BY LENOIR PARIS, 18TH CENTURY With graduated mercury tube. At the base a steel pin for attach-ment. Length, 22 inches From the Spitzer legacies. 18 FULL ENGRAVED CIRCLE OF BRASS, BY LANGLOIS PARIS, 17TH CENTURY The circle in four sectors with two identical graduations, the sectors and alidade with pinules and engraved with foliations. Beneath, a knee-joint with pressure screw. Signed by the maker, « Langlois, à Paris aux Galeries du Louvre ». Diameter of circle, 81/2 inches Described in « La Collection Spitzer », Paris, 1892, vol. 5, p. 81, No. 21. SALE, PARIS, 1893, CATALOGUE NUMBER 2761. 19 SMALL SILVER POCKET SUNDIAL WITH COMPASS, BY CHOIZY, PARIS FRENCH, MID-18TH CENTURY Oval in form and with Roman numeral graduations; the finely en-graved style hinges downward. The back with fleur-de-lisé ducal arms and the name of the maker. In its own leather case. (2) Size, 13/4 x 11/4 inches From the Spitzer legacies. [SEE ILLUSTRATION, PAGE 186] 4