1To James Madison from Robert Fulton, 8 July 1813 (Madison Papers)
I have succeeded in some very interesting experiments on firing cannon under water of which I intended sending you the drawings and details, but as I wished also to communicate them to Mr Jefferson and fearing that your indisposition would not at the time permit you to Study them with attention, I Sent them to him, he will forward them to you; Inclosed is Commodore Decaturs opinion of this new...
2Robert Fulton to Thomas Jefferson, 8 July 1813 (Jefferson Papers)
on the fourth inst , I sent you a letter containing drawings details and observations on my experiments on firing cannon under water, and the consequence of such a mode of conducting maritime war, on the preceding pages is an exact copy of Commodore Decaturs opinion in favor of this discovery, which from so experienced an officer must have weight with those who are not familiar with nautical...