<span>12 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 </span><span>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., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 5Folder 19</span>