Commercial airships
1920
XIII, 235 S.
Miscellaneous
English
RVK: | ZO 7320 |
AIRSHIPS FOR COMMERCIAL PURPOSES
SAE Technical Papers | 1933
|Airships for commercial purposes
Engineering Index Backfile | 1919
Airships for commercial purposes
Engineering Index Backfile | 1919
Airships practical for commercial use
Engineering Index Backfile | 1919
AIRSHIPS AND THEIR COMMERCIAL POSSIBILITIES
SAE Technical Papers | 1919
|