____
____
Daily observations. Monthly and annual findings. 1840. January-December
Daily observations. Monthly and annual findings.
1840. January-December. 1840.
1840. January-December. 1840.
1840
СЗ УГМС
Daily observations.Monthly and annual conclusions.1842-1844
Daily observations.Monthly and annual conclusions.1842-1844.[1842-1844].
1842
SZ UGMS
Daily observations.Monthly and annual conclusions.1845
Daily observations.Monthly and annual conclusions.1845.1845.
1845
SZ UGMS
Daily observations.Monthly and annual conclusions.1854. September
Daily observations.Monthly and annual conclusions.1854. September.1854.
1854
SZ UGMS