Letter from Herbert Tomlinson, on his paper 'The influence of stress and strain on the physical properties of matter. Part II. electrical conductivity-continued. The alteration of the electrical conductivity of cobalt, magnesium, steel, and platinum-iridium produced by longitudinal traction; Discovery of simple relations between the ‘critical points’ of metals' to the Secretary of the Royal Society He has received the comments made by referees on part I of his paper and will send the manuscript over soon. He is disappointed that part II of his paper has been met by disapproval. Subject: Physics [Published in Proceedings of the Royal Society, 1884]. 4 April 1882