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Box 50

 Container

Contains 2 Collections and/or Records:

National Cyclopedia of American Biography Portrait of Benjamin F. Miessner, undated

 File — Box: 50, Folder: 20
Identifier: MSP 2, Series 5
Scope and Contents From the Collection: The Benjamin F. Miessner papers document the working career and interests of the American inventor. It includes a large collection of patents awarded to Miessner or assigned to his company, Miessner Inventions, Inc., as well as various North American and European patents researched by Miessner; lab notebooks, blueprints, sketches, graphs, photographs, and other items documenting the experiments conducted by Miessner and his employees; correspondence between Miessner and various individuals and...
Dates: undated

Miessner Polyphone Demonstrations, February 26, 1932 - March 12, 1932

 File — Multiple Containers
Identifier: MSP 2, Series 10
Scope and Contents From the Collection: The Benjamin F. Miessner papers document the working career and interests of the American inventor. It includes a large collection of patents awarded to Miessner or assigned to his company, Miessner Inventions, Inc., as well as various North American and European patents researched by Miessner; lab notebooks, blueprints, sketches, graphs, photographs, and other items documenting the experiments conducted by Miessner and his employees; correspondence between Miessner and various individuals and...
Dates: February 26, 1932 - March 12, 1932