Large marine set by Simpson with two carrying handles on the sides and multiple areas of brass on the lid for reinforcement. Most of the instruments are marked by Simpson. There is one replacement knife marked Milliken. The knives are heavy and have black ebony cross-hatched handles. Tooth extractors and a tooth key are part of the set. The side slot contains multiple packets of surgical thread end needles. There are multiple small corked vials as well and two very old microscopic slides. Circa 1840 -1850.