To Thomas Jefferson from War Department, 8 July 1808
8 Jul 1808
Report of an Experiment made on the 8th. of July 1808. with a 50 Per Columbeade, upon a Battery of timber fascines & Earth at 460 Yards distance
No. of Shott | ℔s of Powder | Degrees of Elevation | Remarks |
1st. | 6 | 2 | Went over |
2d. | 6 | 1.¾ | ditto |
3d. | 6 | 1.½ | Struck the work four feet to the right |
4th. | 6 | 1.½ | Struck the work four feet to the left. went through, 3.½ feet from the ground |
5th. | 6 | 1.½ | Struck the work 3.½ feet to the left——— |
6th. | 6 | 1.½ | Struck the work 3.½ feet to the left— went through 3.½ ft. from the ground |
7th | 6 | 1.½ | Struck the work 6 feet to the left. 6 feet from the ground. went through |
N.B. The Battery is Eight feet thick twenty two Inches of which is Solid timber
J Burbeck
DLC: Papers of Thomas Jefferson.