Holtermann's other passion was photography. The museum displays some of the amazing photographs for which he and two other men were responsible and which capture in great detail the people and their lifestyles during the gold rush days in Gulgong.
Generalkonsul Peter Silberberg bei der Eröffnung des Holtermann Museums in Gulgong Source: W. Müller
Holtermann mit seinem Goldfund Source: Australia Museum
