J Kull nach LA Helwig u C Burckhardt - Inneres Schlosstor (aus Sammelbild) aquarLith Inv.619 (SW195), 1850

Inner castle gate. In the background the northeast tower with the observatory that was there at the time. Detail from collector's picture, watercolored lithograph, 8. 5 × 6 cm, inventory number 619. ). Date: 1850.