http://book.klll.cc/ebooks/subject/20281.opds?sort_order=title 2025-08-20T08:54:18Z Books about Magnetism -- Early works to 1800 (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-20T08:54:18Z https://book.klll.cc/ebooks/subject/20281.opds?sort_order=release_date Sort by Release Date 2025-08-20T08:54:18Z https://book.klll.cc/ebooks/subject/20281.opds?sort_order=downloads Sort by Popularity 2025-08-20T08:54:18Z https://book.klll.cc/ebooks/50524.opds Letter of Petrus Peregrinus on the Magnet, A.D. 1269 active 13th century de Maricourt Pierre 2025-08-20T08:54:18Z https://book.klll.cc/ebooks/33810.opds On the magnet, magnetick bodies also, and on the great magnet the earth