http://book.klll.cc/ebooks/subject/371.opds?sort_order=downloads 2025-11-17T21:16:25Z Books about Inventors -- Biography Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T21:16:25Z https://book.klll.cc/ebooks/725.opds Men of Invention and Industry Samuel Smiles 2025-11-17T21:16:25Z https://book.klll.cc/ebooks/73641.opds Lives of the electricians : Professors Tyndall, Wheatstone, and Morse. William T. Jeans