Title: Poltavsʹka gravimetrychna observatorii︠a︡ v systemi imperii︠a︡listychnoho rusyfikat︠s︡iĭnoho nastupu T︠S︡K KPSS na ukraïnsʹku nauku
Subjects: Observatories, Poltavsʹka hravimetrychna observatorii︠a︡
Places: Ukraine, Poltava