Compass in brass display case, engraved and partially glazed. Theodolite with compass and alidade. Marked "Baradelle Paris". In a veneered walnut display case, standing on pressed ball feet. Pin loose. Hinge partially loose. Incomplete. Compass d. 15.5 cm. Box h. 19.5 cm x 21.5 cm. A similar exhibit described as a "simple theodolite" by Baradelle from around 1752 to 1800 is in the collection of the Science Museum Group, object no. 1908-119. Provenance: Dissolution of an important German private collection - Part II. A French brass compass in a walnut display case. Needle loose. Hinge partially loose. Incomplete. France. Paris. Baradelle. 2nd half 18th cent.