Balloon deep reconnaissance / Balloon battery reconnaissance / Balloon shooting adjustment techniques / Balloon during combat. In Russian (ask us if in doubt)/O glubokoy razvedke aerostata/Razvedka batarey s aerostata/priemy korrektirovaniya strelby s aerostata/aerostat vo vremya boya. Reports read by Second Lieutenant S. Troitsky of the Ninth Aeronautical Company at the officers aeronautical school in January 1917 according to the combat data of the Ninth Aeronautical Company in 1916-1917. Petrograd 1917. 31 p. SKUalb060d39d8c1ce26dd.
Reference : alb060d39d8c1ce26dd
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