http://book.klll.cc/ebooks/author/52300.opds 2025-09-02T10:18:28Z Books by Hobbs, A. C. (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-02T10:18:28Z https://en.wikipedia.org/wiki/Alfred_Charles_Hobbs See also: en.wikipedia 2025-09-02T10:18:28Z https://book.klll.cc/ebooks/63128.opds Rudimentary Treatise on the Construction of Locks George Dodd and A. C. Hobbs