Fig. 229 is an elongated variety of the butt hinge, known in the trade as "strap hinge," "desk hinge," or "bagatelle hinge." As its name indicates, it is used on folding bagatelle tables, small writing desks, and other types of work that have but a narrow margin on which to fix the hinges. The long, narrow plates are sunk flush into the wood, the knuckle or rounded portion projecting.

Fig. 229. - Strap Hinge.

Fig. 230. - Reversible or Double-folding Screen Hinge.

Fig. 231. - Pivot Hinge for Screens.

Fig. 232. - Non-reversible Screen Hinge.

Fig. 233. - Back Flap Hinge.

Fig. 234. - Card Table Hinge.

Fig. 230 is an illustration of the reversible or double-folding screen hinge. Half the thickness of this hinge is let into each wing of the draught screen, allowing the screen to be folded either way. The hinge is costly, but effective in use.

Fig. 231 is a type of pivot hinge which is used to fix at the top and bottom of a screen.

Fig. 232 is the non-reversible screen hinge and, as its name implies, will only fold in one direction.

Fig. 233 is a back flap hinge with a specially wide wing, used for the fall-down leaf of small tables and similar articles.

Fig. 234 is a card table hinge. This is let into the edges of the table, so that all is flush or level both above and below the surface.