Items

Items

• 

  [Z150H], Legal Testimony, William Joseph Hammer, July 16th, 1925

  1925-07-16
• 

  [Z150I], Legal Testimony, Thomas Alva Edison, July 31st, 1925

  1925-07-31
• 

  [Z150I1], Letter from Thomas Alva Edison to South Kensington Museum, August 5th, 1925

  1925-08-05
• 

  [Z150L], Letter from William Joseph Hammer to Esme Howard, October 20th, 1927

  1927-10-20