Paper, 'Experiments on iron and its oars by the magnet in the year 1724 and 1725 by John Payne whereby it appears to him that the power of attraction between iron and the magnet is a property produced by art' by John Payne Payne summarises experiments carried out using iron and iron ores. He recounts the iron's magnetism after being manipulated in various ways, including heating, melting, and dissolution. Subject: Magnetism Written by Payne in London. Read to the Royal Society on 30 May 1728. 23 May 1728