An account of the preparations made in 1899 and 1900 on Lake Constance for the first airship ascension. It is quite likely that the above is a translation made for Langley of the Smithsonian.
Aerodynamics, airship ascension Lake Constance, airship of Count von Zeppelin, Langley Samuel P., Physics (review of books on), Zeppelin Count von airship of
pp. 1-14, with 5 pp. of variants