Public domain
Portrait of Hydraulic Engineer P.C. van Kerckhoff
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Man with beard and mustache in a standing oval.
Rijksmuseum, Amsterdam’s own descriptionCredit linePortret van waterstaatsingenieur P.C. van Kerckhoff. 1855 - 1910. Kameke. Rijksmuseum, Amsterdam. Public domain.