http://book.klll.cc/ebooks/subject/31039.opds 2025-11-18T21:41:05Z Books about Induction coils Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T21:41:05Z https://book.klll.cc/ebooks/54221.opds Induction Coils, How to Make, Use, and Repair Them. H. S. Norrie