NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY NATIONAL PHYSICAL LABORATORY (C) CROWN COPYRIGHT / SCIENCE PHOTO LIBRARY
Room ventilation experiment. Researcher setting up equipment outside a model of the UK parliament's House of Commons. The experiment will study the ventilation inside this room, the main debating chamber. Thermometers and other sensors are hanging inside the room. Photographed in 1923, in the Engineering Building at the National Physical Laboratory, Teddington, UK.
Model release not available. Property release not required.