Observations from a tethered balloon: (Their meanings for artillery and the basis of work)

Description
Observations from a tethered balloon: (Their meanings for artillery and the basis of the work) / Karamyshev ED - M: Voen. 1924. -
Agreement No. 259-14 of December 26, 2014 (Additional list).
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Source of the electronic copy: PB
Publisher М : Воен. вестн

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