Public domain
Machine for carding wool by Mercier and Co. at the Great Exhibition of the Works of Industry of All Nations of 1851 in the Crystal Palace in London
From the collection of Rijksmuseum, Amsterdam. Free to download, adapt and use — no permission needed.
Credit lineMachine om wol te kaarden van Mercier en Co. op de Great Exhibition of the Works of Industry of All Nations van 1851 in het Crystal Palace in Londen. 1851. Ferrier & F. von Martens, C.M.. Rijksmuseum, Amsterdam. Public domain.