Public domain
Three photographs of physical instruments
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
About this work
Above a model of a Unster, in the middle a model of a beam balance, below a branch model with six discs.
Rijksmuseum, Amsterdam’s own descriptionSubjects
Credit lineDrie foto's van natuurkundige instrumenten. c. 1857 - in or before 18. Fredrich Wilhelm Funckler. Rijksmuseum, Amsterdam. Public domain.