Leonardo da Vinci als Ingenieur und Philosoph
Ein Beitrag zur Geschichte der Technik und der induktiven Wissenschaften
de
~4 hours (270K characters)
Project Gutenberg
Produced by Peter Becker, Reiner Ruf, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)