Calendar: 1969-1970 Page 459

Annual Report of the Delegacy xcvii Sc in Internal Combustion Engineering Bowden Fairweather Petropoulos Sc in Civil Engineering Andrews Awojibi Bandyopadhyay Κ Μ Rahman Sc Eng Cheung 'Non-contact magnetic method of speed measurement Ph Η Abbas 'Gain-phase relationships in non-linear circuits exhibiting hysteresis Ph Ajayi 'Eddy current losses in non-magnetic conductors Ph Dixon 'Soils under transient loads Ph English 'Physical and chemical change during comminu- tion Ph Spence 'The behaviour of compression ignition engines under varying ambient atmospheric conditions Faculty Notes At an international colloquium held in Madrid Professor Ross described some of the current research work in the Civil Engineering department He also examined at University College Nairobi constituent college of the University of East Africa Professor Κ Nash lectured to symposium in Dublin on the Aberfan disaster and advised the National Coal Board on some of their active tips in South Wales He examined at the University of Lagos and also at Freetown where he gave television lecture Dr England presented paper at an international colloquium in Dresden in June and further paper at conference organised by the Joint British Committee for Stress Analysis During the summer vaca- tion he visited by invitation the Oak Ridge National Laboratory Tennessee in connection with studies of the properties of concrete at elevated temperatures which are being carried out at the Universities of California Berkeley the Waterways Experimental Station Missis- sippi and the University of Texas He also gave seminar to the Mechanics Section of Gulf General Atomic in San Diego California Dr Illston attended RILEM colloquium at Munich on the Physical and Chemical Causes of Creep and Shrinkage of Concrete Dr Dougill was invited to spend study leave at the University