English: The Siemens-Schuckert D Dr.I twin-engined triplane fighter prototype, before its only flight attempt on November 9, 1917, which resulted in a crash.
Сана
Before November 9, 1917
Манбаъ
Wagner, Ray and Nowarra, Heinz. German Combat Planes: A Comprehensive Survey and History of the Development of German Military Aircraft from 1914 to 1945. New York: Doubleday, 1971, page 82 photo
Муаллиф
Unknown, photo taken before November 9, 1917.
Иҷозатнома
Public domainPublic domainfalsefalse
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Таърихи файл
Рӯи таърихҳо клик кунед то нусхаи марбути парвандаро бубинед.