Items
Items
Creator is exactly
Seydel Manufacturing Co
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[E1518ECQ], Letter from Hermann Seydel, Seydel Manufacturing Co to William Henry Meadowcroft, May 21st, 1915
1915-05-21 -
[E1518FBH], Letter from Hermann Seydel, Seydel Manufacturing Co to Thomas Alva Edison, June 11th, 1915
1915-06-11 -
[E1518FBX], Letter from Hermann Seydel, Seydel Manufacturing Co to William Henry Meadowcroft, June 15th, 1915
1915-06-15