12 Typed and handwritten letters between F. Wardlaw and Charles F., Sr., regarding Wardlaw's work creating a historical collection of early electrical Show more12 Typed and handwritten letters between F. Wardlaw and Charles F., Sr., regarding Wardlaw's work creating a historical collection of early electrical inventions for the Association of Edison Illuminating Companies, which they planned to display in a safe building, and requesting from Brush any relics or information he could contribute, as Wardlaw respected Brush's contributions very highly. Correspondence continued in 1922, 1923, 1924, 1925, and 1929. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 3: Business and Professional (1876-1931) Box 5 Folder 19 Show less