A 19th-Century lacquered brass Russian gunner's quadrant, signed with engraved arc, adjustable level, with trade label for F Rohde et fils S PETERSBOURG, in fitted shaped case - 22 7/8ins. (58cm.) long; and an oxidised brass French pattern surveyors cross with silvered scales made for the Russian market, in fitted case - 9¼ins. (23.5cm.) wide. (2)