12/27/1884 Insull, Samuel to Ansonia Brass and Copper Co and Cowles, Alfred Abernethy
(Edison Company for Isolated Lighting; Hix, William Preston) Sales and service
[LB020]  Letterbook Series -- General Letterbooks: LB-020 (1884-1885)
[LB020001; TAEM 83:22]
Courtesy of Thomas Edison National Historical Park.