metal / electromechanical device / printing / Metal strips / rubber band / metal strip / rubber / telephone transmitter / /
Organization
Inc. Second Printing Third Printing Fourth Printing / Thomas Alva Edison Foundation / Charles Edison Fund / Navy / /
Person
Cyrus McCormick / Elias Howe / Abraham Lincoln / ROBERT F. SCHULTZ / George Eastman / EDISON AN / Walker L. Cisler / Samuel Morse / Alexander Graham Bell / /