1Enclosure: Samuel Culper to Major Benjamin Tallmadge, 15 July 1779 (Washington Papers)
For Townsend’s first request for invisible ink, see Culper to John Bolton, “June 31” (...
2From George Washington to Major Benjamin Tallmadge, 25 July 1779 (Washington Papers)
For background on this invisible ink, and its initial use, see
3From George Washington to Major Benjamin Tallmadge, 13 June 1779 (Washington Papers)
GW is referring to invisible ink, which he sent in late July (see