13 Apr
2019
13 Apr
'19
5:54 p.m.
Leonardo da Vinci als Ingenieur und Philosoph, by Hermann Grothe 59268 [Subtitle: Ein Beitrag zur Geschichte der Technik und der induktiven Wissenschaften] [Language: German] [Link: http://www.gutenberg.org/5/9/2/6/59268 ] [Files: 59268-0.txt; 59268-h.htm] Thanks to 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) David