Referee's report by Charles Sykes, on a paper 'The anisotropy of thermal expansion as a cause of deformation in metals and alloys' by W Boas and Robert William Kerr Honeycombe Sectional committee: Engineering Is hesitant in recommending the paper for publication in Proceedings, as it confirms certain work recently published there which is still in press. It is well written and contains interesting experimental work. [Published in Proceedings of the Royal Society A, 1947]. Date received not given. 1946