The Haynald-Observatory seen from the north. Ahead is the big cupola and the small one is behind, the meridian-room is on the left side while the first vertical-room is on the right side [Fényi 1896].

The cross-section of the observatory [Fényi 1896].

The sketch of the observatory. 1: Meridian room. 2: Big cupola. 3: I. vertical room. 4: Workshop. 5: Director room. 6: Library. 7: Small cupola [Fényi 1896].

The vertical room [Fényi 1896].