Items

Items

• 

  [CK603AAV], Letter from Henry Clifford Egerton to Thomas Alva Edison, May 1923

  1923-05-00
• 

  [CK603AAW], Letter from Henry Clifford Egerton to Charles Edison, June 19th, 1923

  1923-06-19
• 

  [CK620ABZ], Letter from Henry Clifford Egerton to Thomas Alva Edison, April 14th, 1922

  1922-04-14
• 

  [CM10BB], Letter from Henry Clifford Egerton to Thomas Alva Edison, September 7th, 1922

  1922-09-07
• 

  [PT5123B], Technical Note, Henry Clifford Egerton, August 1920

  1920-08-00