The Airship: Its Design, History, Operation And . . .
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| Google books | books.google.com |
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| Originally published | 1931 |
| Authors | Christopher St. John Sprigg |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2083497 |
About The Airship: Its Design, History, Operation And . . .
Since the early days of practical aviation, the rival claims of heavier-than-air and lighter-than-air craft have been a subject more of controversy than constructive comment. Indeed, those who have studied the history of aeronautics will be aware that man's desire for the conquest of the air has run in two channels. . . .