These ships, specially designed for helium inflation, will have engines mounted internally, thereby reducing head-resistance.
6,000,000-cu. ft. New 6,000,000 cubic-foot airships for our navy
Sci. Am
Scientific American ; 135 , n 6
1926
2 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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Railways spent $6,000,000 for work equipment in 1939
Engineering Index Backfile | 1939
Engineering Index Backfile | 1910
|Engineering Index Backfile | 1945
|Engineering Index Backfile | 1919
|NTIS | 1974