Items

Items

• 

  [E1656BW], Letter from Eureka Flint and Spar Co, Frank Wilkes Thropp to William Henry Meadowcroft, February 26th, 1916

  1916-02-26
• 

  [E1656CB], Letter from Eureka Flint and Spar Co, Frank Wilkes Thropp to Thomas Alva Edison, February 29th, 1916

  1916-02-29
• 

  [E1656CE], Letter from Thomas H Thropp, Eureka Flint and Spar Co to Thomas Alva Edison, March 2nd, 1916

  1916-03-02