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On the vacation of the Nikolaev Main Astronomical Observatory (Pulkovo) funds for the purchase of an oil engine and dynamo machine and to remove the expedition to observe a solar eclipse.27 Sept.- 19 Oct / Council of Ministers.- 1906. -6 l .. - (Council of Ministers .. Inventory inventory No. 2. 1906.).-Science and education.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.2 d.525
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