J Citutific �mtricau. 1 7 3 RECENTLY PATENTED INVENTIONS. Mechanical Devlce8. LOCK.-EDwARD FACKNER, New York city. The purpose of tbis invention Is to provide a lock which is simple In action and durable in construction. The lock has a casing in which a fixed partition is located. In the casing a spring-pressed bolt Is arranged at the front side of tbe partition. This bolt comprises a rod movable throngh the partition, three brackets rigidly held in the casing at the rear side of the partition,

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... and two Inde pendent tumblers, alternating with the brackets. Each tumbler is e.apable of engagmg the rod to hold it. In connection with each tumbler, a key-rod Is nsed and operated resp�ctively at the opposite sides of the casing.