Model of ship in massive water tank, delegates visit the laboratory.
Newspaper cutting on file.
GV. Exterior of the 'Ship Hydrodynamics Laboratory of the National Physical Laboratory'. CU. Plaque on exterior wall naming the building. VS. Inside laboratory of the massive water tank with a machine making waves, a model of ship rides up and down on large overhead carriage during tests. MS. Man at control during experiment. MS. Woman working out a problem with a slide rule. CU. Model ship on water. VS. Model boats on large water tank during experiments. CS. Tests going on in high velocity water flow tunnel. VS. Delegates from various countries visiting the laboratory and looking at tests being made.