http://book.klll.cc/ebooks/subject/30030.opds2025-09-17T07:58:12ZBooks about Bangerter, Friedrich, 1868- (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-09-17T07:58:12Zhttps://book.klll.cc/ebooks/52161.opdsBangerter's Inventions; His Marvelous Time Clock193 downloads