Items

Items

• 

  [E1469HB], Letter from Irwin H Burkart, Blake and Burkart to Edison (Thomas A.) Inc, October 7th, 1914

  1914-10-07
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  [E1469HC], Letter from Blake and Burkart, Irwin H Burkart to Edison (Thomas A.) Inc, October 7th, 1914

  1914-10-07
• 

  [E1565HT], Letter from Irwin H Burkart, Blake and Burkart to Thomas Alva Edison, May 22nd, 1915

  1915-05-22