Improvements in or connected with Means for Rendering Ships or Vessels Unsinkable.

摘要

7396. Harvey, E. C. March 27. Drawings to Specificatian. Shelves.-In order to permit the expansion of air chambers, fitted to ships' cabins, passages, &c., shelves &c. in the way are removed by releasing the catches which support them by means of an electro-magnet simultaneously with the releasing of the chambers.