Items

• [D7819ZCT], Patent Caveat, Charles Francis Brush, May 18th, 1878
  1878-05-18
• [D7819ZCU], Publication, Telegraph Supply Co, Charles Francis Brush, 1878
  1878-00-00
• [SM019001a], Clipping, English Mechanic, Charles Francis Brush, April 15th, 1881
  1881-04-15
• [SM026111a], Clipping, English Mechanic, Charles Francis Brush, April 22nd, 1881
  1881-04-22
• [SM026112a], Clipping, Charles Francis Brush, 1880-1884
  1880-1884