2019-09-022019-09-021931Transactions of the Engineering Association of Ceylon:p.141-142https://dl-iesl.nsf.gov.lk/handle/1/1506Minutes of the Twenty-fifth Annual General Business Meeting held at the Government Technical Schools, Colombo, at 3 p.m., on Friday the 14th August, 1931 , with the President, Mr. A .H.G. Dawson, Surveyor-General, in the ChairA