Economic and safety factors are discussed in relation to a switch from hydrogen to helium in airships.
Use of helium in airships
1923-06-01
Miscellaneous
No indication
English
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
|