Items

Items

• 

  [E1518GCU], Letter from Hugo Schweitzer to Thomas Alva Edison, July 21st, 1915

  1915-07-21
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  [E1518KCD], Letter from Bayer Co, Hugo Schweitzer to William Henry Meadowcroft, November 23rd, 1915

  1915-11-23
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  [E1616EAN], Letter from Hugo Schweitzer to William Henry Meadowcroft, May 8th, 1916

  1916-05-08
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  [E1615AB], Letter from Hugo Schweitzer to William Henry Meadowcroft, February 8th, 1916

  1916-02-08
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  [E1615AC], Letter from Hugo Schweitzer to Thomas Alva Edison, February 16th, 1916

  1916-02-16
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  [E1616FCA], Letter from Hugo Schweitzer to William Henry Meadowcroft, June 29th, 1916

  1916-06-29