Scope and Contents Correspondence and papers concerning magnetic experiments, including experiments on the induced sub-permanent magnetism of hot rolled and cold rolled malleable iron; proposals to test manufactured iron by magnetism and the findings printed by S.M. Saxby in 'Engineering'; a paper by J.E.H. Gordon and W. Newall on the 'effects of small variations of temperature on steel magnets'; the attraction of magnets by J. Carpenter, with statistics, a summary and relevant mathematical formulae;...