File:Machine om katoen te reinigen van Risler op de Great Exhibition of the Works of Industry of All Nations van 1851 in het Crystal Palace in Londen Epurator Machine for Cleaning Cotton. Risler (titel op object), RP-F-F25213-I.jpg
![File:Machine om katoen te reinigen van Risler op de Great Exhibition of the Works of Industry of All Nations van 1851 in het Crystal Palace in Londen Epurator Machine for Cleaning Cotton. Risler (titel op object), RP-F-F25213-I.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Machine_om_katoen_te_reinigen_van_Risler_op_de_Great_Exhibition_of_the_Works_of_Industry_of_All_Nations_van_1851_in_het_Crystal_Palace_in_Londen_Epurator_Machine_for_Cleaning_Cotton._Risler_%28titel_op_object%29%2C_RP-F-F25213-I.jpg/720px-thumbnail.jpg?20191229182356)
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