| Description | Summary report on tidal observations made near the Dutch fort at Bentang Pendem, Cilacap, Indonesia.
Headed: 'Algemeen Rapport. Over de geobeerde te getijden te Tjilatjap zind Eiland Java...' [General Report. About the observed tides at Tjilatjap, the island of Java...]. Concluding with 'De Luitenant ter Zee 2no Klasse belast let observeer der water getegen te Tjelatjap...' [The naval Lieutenant 2nd Class charged with observing the water at Tjelatjap...] and signed J.H. Rietveld. |