Device for Adjusting Cannon Trajectory and Accuracy 20x30 poster Prints-Religious A powerful antioxidant derived from

A powerful antioxidant derived from the bark of the maritime pine tree grown in France

October 1913

Artist: Eugene Oge

8\"x10\" photograph of Minute Man National Historical Park

Device for Adjusting Cannon Trajectory and Accuracy 20x30 poster Prints-Religious A powerful antioxidant derived fromSeries: Industrial America Invention Artist: Unknown Period: Source country: USA Source Year: 1883 After firing a canon, the most difficult task was to repeat the shot by setting the gun back in the original firing position. Accuracy upon a military target was crucial and saved lives. This device was a way to correct for recoil and place the shot on the original target 20inch by 30 inch poster print on standard paper. All files are stored digitally