Scientific Papers

ISBN: 9781334261121 出版年：2016 页码：701 James Prescott Joule Forgotten Books

Comparison of solid magnet with one Of square iron wire, 6. Comparison Of magnets Of round bar iron with hollow cylindrical magnet, 7. — Characteristics Of magnets for lifting and for attracting from a distance, 8. — Advantages Of hollow and solid magnets, 8. Comparison Of square wire magnets with square solid magnets, 9.