Typed letter from J. C. Foster to Charles B. Sawyer, dated December 28, 1945, regarding enclosed blueprints, dated 1883 and 1893, from Brush Electric Show moreTyped letter from J. C. Foster to Charles B. Sawyer, dated December 28, 1945, regarding enclosed blueprints, dated 1883 and 1893, from Brush Electric Company machines. Blueprints are for parts of machines built by the Brush Electric Company, including incandescent machine, alternators, and arc with foundation Charles F. Brush, Sr., Papers Series 9: Brush Companies (1880s-1933) Subseries 2: The Brush Electric Company (1880s-1898) Box 29 Folder 25 Show less