Device for Adjusting Cannon Trajectory and Accuracy 28x42 Giclee on Canvas Oklahoma State low humidity and other unwelcome

Device for Adjusting Cannon Trajectory and Accuracy 28x42 Giclee on Canvas Oklahoma State low humidity and other unwelcomeSeries: 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 28 inch by 42 inch Giclee print on Canvas. All files are stored digitally and are

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