Typed and handwritten copies of correspondence and materials between Charles F. Brush, Sr. and the Franklin Institute, from the years 1927. 1928, 1929 Show moreTyped and handwritten copies of correspondence and materials between Charles F. Brush, Sr. and the Franklin Institute, from the years 1927. 1928, 1929. Copies written and typed by Margaret Richardson in preparation for writing her biography on Charles F. Brush, Sr. Charles F. Brush, Sr., Papers Series 11: Margaret Richardson's Biography of Charles F. Brush (1948-1954) Subseries 3: Research Files Box 36 Folder 7 Show less
