American army engineer who designed and built the ironclad Monitor for the US government. ALS in Ericsson’s difficult to decipher hand, signed “J. Ericsson,” one page both sides, 8 x 10, September 3, 1859. In part: “…I suppose Mr. Diggs has no intention of taking advantage of you…to make you pay for a machine which is of such great benefit to which they pronouce it ‘the most perfect ever employed.’ Nor will they forget I trust that I have given them my [?] and time for nothing.” In very good condition, with scattered toning, foxing, trivial soiling, adhesive residue to left edge touching end of signature. R&R COA.
