Drawing of a horse-powered thresher from a French dictionary (published in 1881)
Unknown author<span style="display: none;">Unknown author</span> (Dictionnaire d'arts industriels)
1881
cropped image from <a rel="nofollow" class="external text" href="http://gallica.bnf.fr/ark:/12148/bpt6k39779z.image.f596.pagination">1881 Dictionnaire d'arts industriels</a>