Images

The Zeppelin airship LZ 127 Graf Zeppelin flying over the Barolo Palace of Buenos Aires, June 1934. General Archive of the Nation, Argentina.

The Zeppelin airship LZ 127 Graf Zeppelin flying over Switzerland. The Graf Zeppelin measured 775 feet (237 m) in length, had a diameter of 100 feet (30.5 m), and a gas volume of 3.7 million cubic feet (105,000 m³). Photograph by Walter Mittelholzer...

A 1917 photograph of Alexander Kerensky (1881-1970) taken by Karl Bulla. Kerensky served as prime minister of Russia's Provincial Government of 1917 from July to November.

The Zeppelin airship L31, flown by the Imperial German Navy, and the dreadnought Ostfriesland, 1915. Zeppelins were used by the navy as reconnaissance and patrol vessels during the First World War (1914-18). Imperial War Museums, London.

The interior of a Zeppelin airship hangar in Maubeuge, northern France, photographed in November 1918. The hangar had been used during the First World War (1914-18). Imperial War Museums, London.

A typical control gondola of a Zeppelin airship during the First World War (1914-18). The gondola was suspended below the hull of the airship and contained two steering mechanisms, one for altitude and the other for lateral movement. Imperial...

A Zeppelin airship entering its hangar, 1916. Imperial War Museums, London.

A First World War (1914-18) Zeppelin airship, likely L50, leaving its hangar. During the war, Zeppelins were used by the German Army and Navy for reconnaissance and to bomb targets in enemy territory. Imperial War Museums, London.

A 1906 photograph of Leon Trotsky (1879-1940), a key member of the Petrograd Soviet, awaiting trial following the failed Russian Revolution of 1905.

A photograph of a meeting of the Petrograd Soviet (workers' council) in 1917.