The Boy Mechanic, Book 2: 1000 Things for Boys to Do, Volume 4 Papyras Classics

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Chapter 94

Gate Fasteners

Buttons on gates or small doors are apt to become loose and then drop down, thereby allowing the gate or door to become unfastened. The ordinary button is shown at A where it is loose and turned by its own weight. If the button is cut as shown at B, it will remain fastened, even if it is loose on the screw or nail.—Contributed by A. S. Thomas, Amherstburg, Ont.