http://book.klll.cc/ebooks/subject/40598.opds 2025-08-09T11:20:56Z Books about Kaleidoscopes (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 2025-08-09T11:20:56Z https://book.klll.cc/ebooks/74417.opds The kaleidoscope : its history, theory and construction. With its application to the fine and useful arts David Brewster