Improvements in or connected with automatic water fountains for feathered stock or animal drinking troughs

摘要

223,408. Roberts, D. Nov. 1, 1923. Drinking-appliances for animals.-A drinking- appliance for animals comprises a container a having one aperture only, formed as a spout c of round or triangular form that serves for filling when the container rests upon a flat side b. When the container is inverted, the spout rests in a trough d and acts as the outlet, its end being oblique so as to maintain a certain depth of water in the trough.