Items

Items

• 

  [D8368A], Letter from Spring Valley Hydraulic Gold Co, Norman Stewart Walker, Jr. to Thomas Alva Edison, January 15th, 1883

  1883-01-15
• 

  [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