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Ngôn ngữ: English
Tác giả: Claude Grahame-White, Harry Harper,
Thể loại: Chiến tranh & Quân sự, Giao thông vận tải,
Đang phát
[1/17] PREFACE
"Although it is still a crude machine—in view of the perfected apparatus which is the aim of thoughtful designers—the aeroplane has demonstrated, in a conclusive way, its value as an instrument of war." - Summary by Authors