Aircraft In Warfare: The Dawn Of The Fourth Arm (1916) is a book written by Frederick William Lanchester. The book is a comprehensive study of the use of aircraft in warfare during the early 20th century, particularly during World War I. Lanchester, an engineer and inventor, provides a technical analysis of the various types of aircraft used in combat, including biplanes, monoplanes, and seaplanes. He also discusses the strategic and tactical advantages...