Items

• [D8471I], Letter from Clemens Herschel to George D Bancroft, May 10th, 1884
  1884-05-10
• [D8471M], Letter from Clemens Herschel to George D Bancroft, June 14th, 1884
  1884-06-14
• [D8535ZAP], Letter from Clemens Herschel to Thomas Alva Edison, June 22nd, 1885
  1885-06-22