This Steward 17 Battery Place N.Y. Naval Cannon Line Thrower & Line Attachment Charge is a fascinating piece of naval equipment, designed for use in military applications. The line thrower was utilized to launch lines between ships or from ships to shore, enabling quick communication and transfer of equipment. The line attachment charge is an integral part of this mechanism, enabling the cannon to safely fire the line over long distances. Made by Steward at 17 Battery Place in New York, this item represents the engineering innovations used by the U.S. Navy during its operations. It’s in good condition, offering collectors a rare and unique piece of naval history.