4 Typed letters between William Keily and Charles F., Sr., in which Keily requests Brush's comments on a recently published article describing the his Show more4 Typed letters between William Keily and Charles F., Sr., in which Keily requests Brush's comments on a recently published article describing the history of public electric lighting in San Francisco and Chicago, and Brush provides corrected information and refers Keily to a 1905 article Brush wrote on the subject. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 3: Business and Professional (1876-1931) Box 4 Folder 17 Show less