An entry from the Guide to Ruritania, 1889 Edition (II)

[Graf Falke von Falkenhorst]

In the Kronstadter See Kreis, lying to the northeast of Kronstadt a. d. Elbe is the town of Christianshafen, which is located on the scenic Kronstadter See (Lake Kronstadt). Here Ruritania’s noted aeronautical scientist Prof. Dr. Dipl.-Ing. Friedrich Leopold Graf von Zerneck conducts many of his experiments and it is the site of the heavily guarded and classified Kronstadter Luftschiffswerft (Kronstadt Airship Yard). The Graf von Zerneck’s favorite residence, known as Himmelspforte (Heaven’s Gate) is located nearby along with his private observatory.