Items

• [F5F11BC], Letter from Richard Wesley Kellow to Thomas Alva Edison, September 23rd, 1920
  1920-09-23
• [F5F11BE], Letter from Richard Wesley Kellow to Mina Miller (Mrs Thomas A.) Edison, October 7th, 1920
  1920-10-07
• [F5F11BL], Letter from Richard Wesley Kellow to Mina Miller (Mrs Thomas A.) Edison, December 21st, 1920
  1920-12-21
• [F5F12AR], Letter from Richard Wesley Kellow to Thomas Alva Edison, May 6th, 1921
  1921-05-06
• [NB217B087], Technical Note, Leroy E Briggs, December 15th, 1913
  1913-12-15