http://book.klll.cc/ebooks/subject/10104.opds 2025-11-18T01:16:18Z Books about Acetylene Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T01:16:18Z https://book.klll.cc/ebooks/8144.opds Acetylene, the Principles of Its Generation and Use F. H. Leeds and W. J. Atkinson Butterfield