Section 50.—HINGES AND JOINTS.

[946]. The common double-leaf hinge.

[947]. Rising hinge, to cause the door to lift slightly as it opens, it will then close of itself without a spring.

[948]. Cup and ball hinge.

[Larger plate.]

[949] & [950]. Pintle hinges.

[951] & [952]. Parchment or leather hinging for wood movements.

[953]. Dovetail joint, used on iron bedsteads, &c.; the circular dovetail is slightly tapered and fitted tight.