View source for Advisory Board for Aeronautics, 1915, Letter from the Secretary of the Smithsonian Institution

{{Publication
|Original title=Letter from the Secretary of the Smithsonian Institution
|Simple title=Letter from the Secretary of the Smithsonian Institution
|Authors=Advisory Board for Aeronautics
|Date=1915
|Countries=US
|Languages=en
|Keywords=letter
|Related to aircraft=1
}}
=== Sources ===
* [[Brockett (1921)]], page [https://archive.org/details/bibliographyofa190916broc/page/11 11], entry 3: Advisory Board for Aeronautics. Letter from the Secretary of the Smithsonian Institution transmitting a memorandum in relation to a joint resolution providing for the appointment of an advisory comm