Original British Pre-WWII Schermuly Pistol Rocket Apparatus Rescue Line Thrower Set in Case Cannons and has serial number 1703

and has serial number 1703 on the frame

There are even some old mud wasp nests (completely inactive/dead) on the interior

the barrel tang appears to be dated with 1846

The most common would be the completion of two or more war patrols

Original British Pre-WWII Schermuly Pistol Rocket Apparatus Rescue Line Thrower Set in Case Cannons and has serial number 1703Original Items: Only one set available. William Schermuly 1857 1929 was one of fathers of modern rocketry. He had served aboard vessels at sea and knew of how many lives were lost each year due to shipwrecks. He invented several different line throwing devices, some of which were used in WWI for such things as throwing telephone lines from trench to trench while under fire. But, the British Admiralty still didnt see a need for his line throwers.