Letter from John Allan Broun, on a paper 'A contribution to terrestrial magnetism; being the record of observations of the magnetic inclination, or dip, made during the voyage of H. M. S. ‘Iron Duke’ to China and Japan 1871-75' by Charles Frederick Alexander Shadwell Recommended for publication in Philosophical Transactions. The hours of observation should be inserted into the paper prior to publication. Subject: Astronomy [Published in Philosophical Transactions, 1877]. 31 August 1876