1851 Great Exhibition: Official Catalogue: Class VIII.: John Druery
From Graces Guide
322. DRUERY, JOHN, Hartlepool — Inventor.
Model and plan of a ship and shore sheet-iron life-boat, intended to recover herself when upset. Provided with a cabin for the better protection of the ship's crew. Fitted with 21 separate air-tight vessels for the purpose of keeping the boat afloat in case of external damage. The valves of the pipes for ventilating the cabin are so constructed as to admit the air when the boat is upright, and to exclude the water when upset.
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