16 British India cadets in the classroom on board a cadet training ship, either the Chantala (1950) or the Chindwara (1950). They are sitting at desks in rows of four and are being taught about Babcock & Wilcox watertube boilers. The photographer is looking back from the front of the class. Negatives numbers N85756 to N85759 inclusive were taken on the same day.