Friends with an old Book_Les dix livres d’architecture de Vitruve Posted on 11/11/202112/17/2021 -Claude Perrault -1684 The Roman concrete is a really impressive technique from Avery early age. It’s really interesting how humans built in really big hights, without having different forces then their own. Unlike in the online format, this book is really clean and the pages are really thin so one can see the text from the other side. Book cover and the sides are really rusty