Items

• [E1337BP], Letter from Pfaltz and Bauer Inc to Thomas Alva Edison, December 15th, 1913
  1913-12-15
• [E1421DK], Letter from Pfaltz and Bauer Inc to Thomas Alva Edison, September 26th, 1914
  1914-09-26
• [E1421DU1], Publication, Pfaltz and Bauer Inc, October 7th, 1914
  1914-10-07
• [E1421EL], Letter from Pfaltz and Bauer Inc to Thomas Alva Edison, November 6th, 1914
  1914-11-06