b&w photograph Very good condition with yellow line across photo. From back: 'Alain Maingot, assistant to Dr. John Young of the chemistry department at SMU, works on labratory equipment to refine the use of certain salt hydrates as thermal energy storage units. (in labratory)" Written on back: 'Photo credit: A. Thompson'; 'Please return to Information Services...' (stamp); '997.5'; '70%'; 'Alan Maingot pg. 6'