[N315053] Technical Note, April 6th, 1886
p. 53 drawing "Baloon Telegraphing air Telegh" this is similar to drawing he sends to Dyer; followed by many pages of undated drawings that appear to be electrical systems or armature windings
[N315-F] Notebook Series -- Fort Myers Notebooks
https://edisondigital.rutgers.edu/document/N315053
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 42