Restored plan of the Klepsydra and its environ ... Piet de Jong ... PD 2594 Cf. see HAT SLIDE 58-273
See also Ptg. 248. 2178 Horizontal (normal) ... April 1939
Plan of the environs of the Klepsydra ... Piet de Jong ... PD 2594 as XVI-48 but less blurry so we keep this one.
See also Ptg. 248. Horizontal (normal) ... 1939