Boundary clock in patinated regula framed by a woman and a young girl reading a book. The round dial has a black background with Roman numerals for the hours set in a saddle decorated with leaves. Rectangular black marble base with central recess. Resting on six toupie feet. Key winding mechanism, Brocot suspension. Without mechanism cover. 19th century. 58 x 53 x 21 cm. Wear and oxidation to metal, chips to marble.