1To George Washington from Colonel Israel Shreve, 26 May 1779 (Washington Papers)
...flame, revealed secret letters written in invisible ink. The first letter, addressed to one...
2To George Washington from Major Benjamin Tallmadge, 15 January 1780 (Washington Papers)
...mentioned a shortage of reagent for invisible ink in his letter to Tallmadge of 12 Dec. 1779...
3To George Washington from Major Benjamin Tallmadge, 4 October 1780 (Washington Papers)
..., Jr. (Robert Townsend’s alias) was written in invisible ink and is now illegible (
4To George Washington from John Jay, 19 November 1778 (Washington Papers)
...) College of New York. Jay developed his invisible ink in 1775 and used it throughout the...
5From John Jay to George Washington, 19 November 1778 (Jay Papers)
On the invisible ink developed by Sir James Jay, used previously in correspondence...
6To George Washington from Major Benjamin Tallmadge, 25 July 1779 (Washington Papers)
For the invisible ink, which GW sent on this date, see his
7To George Washington from Major Benjamin Tallmadge, 28 August 1780 (Washington Papers)
...the Counterpart to read,” referring to the reagent for invisible ink.
8To George Washington from Major Benjamin Tallmadge, 22 July 1780 (Washington Papers)
The enclosed “blank Letter,” or letter written in invisible ink, from Culper, Jr., is filed in
9To George Washington from Major Benjamin Tallmadge, 1 November 1779 (Washington Papers)
Tallmadge is referring to invisible ink and components (see
10To George Washington from Major Benjamin Tallmadge, 23 October 1780 (Washington Papers)
...” has not been identified. Tallmadge means invisible ink, which James Jay supplied and called...