Mrs Forbes Sempill launches the fastest lifeboat in the World, Hampton-upon-Thames, Surrey.
Hampton-on-Thames, Surrey (?).
Full titles read: "WORLD'S FASTEST LIFEBOAT - to be stationed at Dover specially built to help aeroplanes in accidents during channel crossing - launched by the Hon. Mrs Forbes Sempill."
Good M/S of elegantly dressed Mrs Forbes Sempill. L/S of the lifeboat sliding down ramp from the boathouse. L/S of the boat on the Thames looking out from the inside of the boathouse. L/S of the boat speeding down the river.
Note: alternative spelling - possibly Semphill.