Improvements in and relating to tanks, vessels or ponds or other containers for aquatic animals or plants or the like

摘要

382,233. Aquariums. MITCHELL, F. J. L., 12, Prior Avenue, Sutton, Surrey, and VALLIS, G. J. J., 238, Old Kent Road, London. May 7, 1932, No: 13247. [Class 48.] Siphons for aquariums comprise a metal tube 5, which is secured inside the aquarium by a screw fitting, and a rubber tube 9 which can be removed.