Sikorsky Le Grand front L'Aerophile 1 September 1913 (crop, grayscale, contrast stretch)

Front end of Sikorsky "Grand", with glazed cabin and four engines mounted in two push-pull pairs. (The Cyrillic letters Р.Б.В.З. on the nose beneath the double-headed eagle emblem are the initials of the manufacturer, the Russo-Baltic Wagon Factory (Русско-Балтийский Вагонный Завод, Russko-Baltiyskiy Vagonnyy Zavod)).)