http://book.klll.cc/ebooks/subject/8104.opds 2025-08-08T10:11:39Z Books about Microphone (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 2025-08-08T10:11:39Z https://book.klll.cc/ebooks/subject/8104.opds?sort_order=title Sort Alphabetically by Title 2025-08-08T10:11:39Z https://book.klll.cc/ebooks/subject/8104.opds?sort_order=release_date Sort by Release Date 2025-08-08T10:11:39Z https://book.klll.cc/ebooks/75683.opds The telephone, the microphone & the phonograph comte Th. Du Moncel 2025-08-08T10:11:39Z https://book.klll.cc/ebooks/27574.opds Le Téléphone, le Microphone et le Phonographe (French) comte Th. Du Moncel