Kronstadt.Port.Observations.For May month 1849. Excurs from the magazine of the led under the Kronstadt telegraph

Kronstadt.Port.Observations.- [B.m., 1844-1850].-.1. Territory (collection).Electronic copy source: PBOriginal storage location: SZ UGMSFor May 1849: an extract from the magazine of the led under the Kronstadt telegraph / corps of the navigator Captain Vyakhirev.- [1849].-[3] p.: table .. -Aut.indicated at the end of the text.Manuscript text..I. Vyakhirev. 1.Territory (collection).Electronic copy source: PBOriginal storage location: SZ UGMS