A Letter from Mr. Leeuwenhoeck, F. R. S. concerning the Muscular Fibres in Several Animals, and the Magnetick Quality Acquired by Iron, upon Standing for a Long Time in the Same Posture
Journal:
Philosophical Transactions of the Royal Society
Volume:
32
Publisher:
Royal Society
Year:
1722
pages 72-75 letter written 1722-04-21 Maty lists this as two items, one on iron and the other on muscle fibers