On the Secondary Deflections Produced in a Magnetized Needle by an Iron Shell, in Consequence of an unequal distribution of Magnetism in Its Two Branches. First Noticed by Captain J. P. Wilson, of the Honourable East India Company's Ship Hythe. [Abstract] [abstract]

Peter Barlow
1815 Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London