http://book.klll.cc/ebooks/author/58212.opds 2025-11-16T21:30:05Z Books by Burr, William H. (William Hubert) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T21:30:05Z https://en.wikipedia.org/wiki/William_Hubert_Burr See also: en.wikipedia 2025-11-16T21:30:05Z https://book.klll.cc/ebooks/75910.opds Ancient and modern engineering and the Isthmian canal William H. Burr