Floorplan from Karl Friedrich Schinkel (1837/38)
<bdi><a href="https://en.wikipedia.org/wiki/en:Karl_Friedrich_Schinkel" class="extiw" title="w:en:Karl Friedrich Schinkel"><span title="Prussian architect, city planner and painter (1781–1841)">Karl Friedrich Schinkel</span></a>
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1837/1838
Staatliche Museen zu Berlin