http://book.klll.cc/ebooks/subject/35774.opds?sort_order=title 2025-08-05T19:19:39Z Books about Pneumatic-tube transportation (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T19:19:39Z https://book.klll.cc/ebooks/subject/35774.opds?sort_order=release_date Sort by Release Date 2025-08-05T19:19:39Z https://book.klll.cc/ebooks/subject/35774.opds?sort_order=downloads Sort by Popularity 2025-08-05T19:19:39Z https://book.klll.cc/ebooks/72290.opds Pneumatic conveying Ernest George Phillips 2025-08-05T19:19:39Z https://book.klll.cc/ebooks/63952.opds Pneumatic Despatch Tube System of the Batcheller Pneumatic Tube Co. Birney C. Batcheller