An account of the exercises on the occasion of the presentation of the Langley Medal and the unveiling of the Langley Memorial Tablet, May 6, 1913, including the addresses of Dr. Alexander Graham Bell, His Excellency, the French ambassador, Mons. J.J. Jusserand, Dr. John A. Brashear, and Secretary Walcott
Smithsonian Institution.
Bell, Alexander Graham,1847-1922.
City of Washington
1913