A field surgeons instrument set, signed ARNOLD & SONS Giltspur St. London, the lid with surgical forceps, lift out tray with scalpels, trochar cannulae, and other instruments over compartment with two trephines and interchangable handle, silver trachaeotomy tube, small bone saw, tourniquet, and other instruments in fitted velvet lined case, early 20th Century - 17¾in. wide(incomplete)