The first real air-liner, carrying some five or six hundred passengers, will probably appear after or towards the end of the battle… — Oliver Stewart Copy Share Image
The first real air-liner, carrying some five or six hundred passengers, will probably appear after or towards the end of the battle between fixed… — Oliver Stewart Copy Share Image
The helicopter has never achieved much success and . . .may be classes with the ornithopter as obsolete. — Oliver Stewart Copy Share Image