Countersunk. See Screws on page [36].
Cross-piece.—A piece that crosses another; a piece fastened in a horizontal or oblique position, and extended from one piece to another.
Cross Section. See [Section].
Details.—The parts of which a thing consists; a Detailed Drawing is usually a working drawing, showing all the parts of a piece of work, with dimensions marked upon them.
Diagonal.—A strip, board, or heavier piece fastened in an oblique, or slanted, position—used in bracing (see Bracing of Toboggan Platform Framework, [Fig. 310]); also a line drawn obliquely to another line, several lines, or an object.
Diagonally.—In a diagonal direction.
Diameter.—The distance equal to a straight line passing through the centre of a circle or a circular object, terminated at both ends by the circumference, or the curved surface.
Door Frame.—The wooden frame built in a door opening for the door to swing in. For definition of Jambs, Sill, and Head, see [Window Frame].
Door-stops.—Wooden strips nailed around the Jambs and Head of a door frame, for the door to swing against, and to make a tight joint between the door and frame.
Dovetail-joint.—A tongue, undercut so as to make it wedge-shaped (somewhat the shape of a dove's tail), is prepared upon one piece, and a mortise, the shape and size of this tongue, is cut in the other piece for it to set into. E. G. See [Figs. 209 and 210], and text on page [210], Chapter XV.