A late 19th century mahogany cased set of drawing instruments. These sets were used by engineers, architects, naval draughtsmen. The set is in good condition but missing a small pair of dividers. The case measures 20cm in width and the cartouche is vacant. The inside lid is blue felt lined. The instrument tray lifts out to reveal a blue felt lined recess below containing an ebony parallel rule. The case retains it's original key which works the lock.