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Video
(1 Risultati)
Poste météorologique du lieutenant Rothé
n/a
1920
Centre nationale du cinéma et de l’image animée
Altri titoli:
- Lieutenant Rothé's Meteorological Post
The Invention Department's aeronautic technical committee and Edmond Rothé place an electric-oscillation anemometer under an elongated tethered balloon with low cubic volume. The method uses only one...