اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Biedenkapp, Georg, 1868-1924
Title: James Watt und die Erfindung der Dampfmaschine
Language: German
LoC Class: TA: Technology: Engineering and Civil engineering
Subject: Watt, James, 1736-1819
Subject: Steam-engines -- History
Release Date: Jul 3, 2016
Copyright Status: Public domain in the USA.
: Project Gutenberg books are always free!