Arkivism
The spectroscopic laboratory of the Paris Observatory
Public domain

The spectroscopic laboratory of the Paris Observatory

Dujardin · c. 1891 - in or before 1896 · photoaquatint; paper

From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.

Credit lineHet spectraalanalyse-laboratorium van het observatorium van Parijs. c. 1891 - in or before 18. Dujardin. Rijksmuseum, Amsterdam. Public domain.

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