1From Benjamin Franklin to Lord Kames, 25 February 1767 (Franklin Papers)
ALS (marked “Copy” and dated Feb. 25, 1767); LS (dated April 11, 1767): both Scottish Record Office This letter appears in two forms and offers a puzzle that the editors are unable wholly to solve. One manuscript, dated Feb. 25, 1767, and marked at the top “Copy,” is entirely in Franklin’s hand except for two of its three endorsements on the final page. The other manuscript, dated April 11,...