http://book.klll.cc/ebooks/subject/6966.opds?sort_order=downloads 2025-11-18T10:44:56Z Books about Telegraph -- History Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T10:44:56Z https://book.klll.cc/ebooks/979.opds Heroes of the Telegraph John Munro 2025-11-18T10:44:56Z https://book.klll.cc/ebooks/50864.opds A Story of the Telegraph John Murray 2025-11-18T10:44:56Z https://book.klll.cc/ebooks/61533.opds The American Electro Magnetic Telegraph Alfred Vail