Booklet in a Cyrillic alphabet, containing some translations with German words, nd.
Contains diagrams for recognising German aircraft and the insignia of several different nations.
A note in the front reads, ‘found in an abandoned Bulgar gun position August - September 1918’, signed by Capt Hanby Holmes.
From papers collected by Capt Eric Richard Hanby Holmes, 1913-1941.
Hanby Holmes served with the Artist’s Rifles and 6th Bn The Durham Light Infantry.
By the end of the war Hanby Holmes was attached to the Royal Engineers for Army Signal Service.
Papers were collected primarily while serving on the Salonika Front during World War One (1914-1918).