1From George Washington to Major Benjamin Tallmadge, 13 June 1779 (Washington Papers)
GW is referring to invisible ink, which he sent in late July (see
2Enclosure: 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” (probably intending 1 July), in n.2 of
3From George Washington to Major Benjamin Tallmadge, 25 July 1779 (Washington Papers)
For background on this invisible ink, and its initial use, see