File:Machines van Hermann om chocola te maken op de Great Exhibition of the Works of Industry of All Nations van 1851 in het Crystal Palace in Londen Chocolate Machines. Hermann (titel op object), RP-F-F25213-R.jpg
![File:Machines van Hermann om chocola te maken op de Great Exhibition of the Works of Industry of All Nations van 1851 in het Crystal Palace in Londen Chocolate Machines. Hermann (titel op object), RP-F-F25213-R.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Machines_van_Hermann_om_chocola_te_maken_op_de_Great_Exhibition_of_the_Works_of_Industry_of_All_Nations_van_1851_in_het_Crystal_Palace_in_Londen_Chocolate_Machines._Hermann_%28titel_op_object%29%2C_RP-F-F25213-R.jpg/753px-thumbnail.jpg?20191229183046)
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