BY CHARLES M. MANLY Assistant in Charge of Experiments
(PUBLICATION 1948)
CITY OF WASHINGTON
PUBLISHED BY THE SMITHSONIAN INSTITUTION
1911
Commission to whom this Memoir
has been referred:
- OTTO HILGARD TITTMAN,
- GEORGE OWEN SQUIER,
- ALBERT FRANCIS ZAHM.
The Lord Baltimore Press BALTIMORE, MD., U. S. A.
[◊] ADVERTISEMENT
The present work, entitled “Langley Memoir on Mechanical Flight,” as planned by the late Secretary Samuel Pierpont Langley, follows his publications on “Experiments in Aerodynamics” and “The Internal Work of the Wind” printed in 1891 and 1893, respectively, as parts of Volume 27 of the Smithsonian Contributions to Knowledge.