1.
Meteorological observations during WILLEM cruise from Nederland to Batavia started at 1846-01-12
2.
3.
Meteorological observations during ZEEUW cruise from Nederland to Batavia started at 1840-07-30
Meteorological observations during ZEEUW cruise from Nederland to Batavia started at 1843-02-23
Meteorological observations during Van Oldenbarneveld cruise from Banjoewangie to Holland started at 1850-01-26