the chapter ring engraved with Roman numerals on one side the latitudes and cities on the other including Siam, Constantinople and Bengal, the sliding sighting bar signed on the edge: Macquart . A Paris and embellished with foliate scrolls on the ends,  the bar also with months of the year and their corresponding signs of the Zodiac, with suspension loop. Together with another dial larger, each with later fitted leather box. 2 pieces.

J.J. Klejman, New York