Nautical chart of the western part of Java, at a scale of 1:500,000. Not current - not to be used for navigation!
<bdi><a href="https://en.wikipedia.org/wiki/en:United_Kingdom_Hydrographic_Office" class="extiw" title="w:en:United Kingdom Hydrographic Office"><span title="UK government agency concerned with providing hydrographic and marine geospatial data">United Kingdom Hydrographic Office</span></a>
</bdi>
<a href="//commons.wikimedia.org/wiki/File:Admiralty_Chart_No_1653a_Java_Western_Portion,_Published_1934.jpg" title="File:Admiralty Chart No 1653a Java Western Portion, Published 1934.jpg">File:Admiralty Chart No 1653a Java Western Portion, Published 1934.jpg</a>