08/08/1928 [Supplied day] Ott, Frederick Paul to Campsall, Frank
(Electrical Exposition (N.Y. City) [supplied or conjectured]; Ford, Henry; Benney, William Albert; Edison, Thomas Alva) Tools and machinery; Expositions, demonstrations, lectures; X-rays
[X001C6]  Henry Ford Museum and Greenfield Village Research Center, Dearborn, Mich.: Edison Papers and Related Items -- Series I: Manuscripts -- Thomas A. Edison-Henry Ford Office Correspondence (1928)
[X001C6CI; TAEM 0:0]
Courtesy of the Henry Ford Museum and Greenfield Village Research Center.