Economic and safety factors are discussed in relation to a switch from hydrogen to helium in airships.
Use of helium in airships
01.06.1923
Sonstige
Keine Angabe
Englisch
Engineering Index Backfile | 1921
Helium versus hydrogen for airships
Engineering Index Backfile | 1938
|Helium versus hydrogen for airships
Engineering Index Backfile | 1938
|The employment of helium in airships
Engineering Index Backfile | 1923
|Helium and its value for airships
Engineering Index Backfile | 1925
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