Referee's report by James Clerk Maxwell, on a paper 'Experiments on the directive power of large steel magnets, of bars of magnetized soft iron, and of galvanic coils, in their action on external small magnets. With appendix, containing an investigation of the attraction of a galvanic coil on a small magnetic mass' by George Biddell Airy Recommended for publication in Philosophical Transactions. Provides modifications that should be actioned before publication. Subject: Astronomy [Published in Philosophical Transactions, 1872]. 17 May 1872