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
A commemorative pamphlet issued by the Smithsonian Institution in Washington in 1913, recording speeches by Alexander Graham Bell, J. J. Jusserand and John A. Brashear at the award of the Langley Medal and the unveiling of Samuel Pierpont Langley's memorial tablet. Photographs show both faces of the medal in raking light, a bas-relief portrait of the seated Langley watching soaring birds, and a line drawing of the Smithsonian seal with globe, torches and circular lettering.



