http://book.klll.cc/ebooks/subject/26467.opds 2025-11-16T04:34:18Z Books about Motion picture projection Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T04:34:18Z https://book.klll.cc/ebooks/45231.opds Motion Picture Operation, Stage Electrics and Illusions Henry Charles Horstmann and Victor H. Tousley