"Five Hundred and Seven Mechanical Movements" - H. Brown (1871) A wonderful book of all kinds of mechanisms ! Around 1870 the Franco-Prussian War raged and the German forces victoriously entered Versailles... For more historical books about mechanisms see this Cornell page. See the attachment for the PDF file.
This image was uploaded with the post On the way to a warm weekend..
Screenshot with Leica's Titan GIS messenger, 3D explorer kind of application.
Crooswijkse bocht, Rotterdam