Interior view of the Chemical Department, Imperial College of Science and Technology, by an unknown photographer View of the lecture room, the main bench showing a variety of glassware and a projector. Behind, blackboards and a series of large lecture illustrations, showing [above, left to right]: 'The solubility of hydrochloric acid in water'; 'Cooling tower'; 'Condensation of hydrochloric acid'; and 'Method of distributing water'; [below, left to right] 'Preparation of hydrogen fluoride'; two illustrations headed 'Vapour density of hydrofluoric acid'; and 'Salt cake furnace'. One of a set of seven photographs [MS/373/4/10-16] of the South Kensington laboratory, contained in an original envelope, showing various views of the department. 1912