From lack of economy, in reduction of ores, it is estimated that the aggregate loss on the production of bullion in this country for the present year will reach the sum of $25,000,000.
Recent American and foreign Patents.
Under this heading we shall publish weekly notes of some of the more prominent home and foreign patents.
WARDROBE.--Nathan Turner, West Lynn, Mass.--This invention consists in a movable or swinging arrangement of the sides and top and bottom, whereby they are folded upon each other, with grooves or strips in or upon the sides to support shelves when used as a closet or book case, and which shelves may be removed when used as a wardrobe.
AXLE BOX.--Henry B. Pitner, La Porte, Ind.--This invention consists of an iron thimble or slieve provided on each end in the inside with a screw thread into which are fitted ends of brass or composition, or other metal softer than iron, in such a way that said metallic ends will not turn in the box, and so that the axle bears only upon the softer metal.
SPRING FORMER.--George S. Long, Bridgeport, Conn.--This invention consists of a vibrating anvil or former, upon which the steel to be worked is placed, said former vibrating under a roller, said roller being hollow, and provided with holes or orifices through which water received in the shaft of said roller is distributed upon the heated steel.
DOOR-FASTENER.--Francis C. Levalley, Warrenville, N. Y.--The present invention relates to a fastener for doors more particularly which, in the construction and arrangement of its parts, is simple, and most effective, and secure, when fastened.