Items

• [D8603ZBH], Letter from Spring Valley Hydraulic Gold Co, Norman Stewart Walker, Jr. to Thomas Alva Edison, May 14th, 1886
  1886-05-14
• [D8635G], Letter from Spring Valley Hydraulic Gold Co, Norman Stewart Walker, Jr. to Thomas Alva Edison, April 27th, 1886
  1886-04-27
• [E1278AG], Letter from Frederick Joseph Stone, Jr. to Harry Frederick Miller, May 13th, 1912
  1912-05-13