'Royal Field Artillery Kite Balloons Were The Eyes of Our Guns in France', (1919). Scene from the First World War, 1914-1919: 'The observers were highly trained men, and when their balloons were shelled or attacked by enemy aircraft they were forced to make rapid descents in parachutes. The observers were always connected with their parachutes.' From "The History of the Great European War: its causes and effects", Vol. VIII, by W. Stanley Macbean Knight. [Caxton Pulishing Company, Limited, London, 1919]