This section is from the book "Box Furniture", by Louise Brigham. Also available from Amazon: Box Furniture.

Body. 1 Carpet-sweeper Box (11 3/4 in. deep, 15 1/2 in. wide, 55 1/2 in. long cut down to 40 in. long).
Top. 1 Piece 1/2 in. thick, 1/4 in. wider and 2 1/2 in. longer than the outside size of the end of the box.
Shelves. 3 Pieces 1/2 in. thick, by the depth and the width of the inside of the box.
Door. Made from the cover of the box.
Door Cleats. 2 Strips 1/2 in. thick, 2 in. wide, 5 in. shorter than the outside width of the box.
Mirror Strips. 2 Strips 3/8 in. thick, 1 3/4 in. wide, and the length equal to the outside width of the box.
Top Mirror Strip. 1 Piece 3/8 in. thick, 1 3/4 in. wide, 3 in. longer than the outside width of the box.
Legs. 2 Strips 3/8 in. thick, 13/8 in. wide, 66 in. long. 2 Strips 3/8 in. thick, 1 3/4 in. wide, 66 in. long. 2 Strips 3/8 in. thick, 1 3/8 in. wide, 50 in. long. 2 Strips 3/8 in. thick, 1 3/4 in. wide, 50 in. long.
Mirror. 10 1/2 in. wide, and the length equal to the outside width of the box.
Hardware. 2 4 in. tee hinges and screws. 1 porcelain pull-knob. 1 button.

The "Shavingette," Closed.
Make two legs 50 inches and two legs 66 inches long. Remove the cover. Fit in and fasten the shelves at suitable heights. Nail the two short legs on, keeping their ends at one end of the box even with the outside face, allowing them to project about 10 inches over the other end of the box. Turn the box over and nail on the long legs in such a manner that all four legs will project equally at one end, and the last two legs will then project about 16 inches at the other end, forming a frame in which to fasten the mirror. Stand the box upon its legs and fit and nail on the top, allowing it to project 3/4 inch over the outside face of the legs in front and at both ends, keeping the rear edge even with the outside face of the rear legs. It will be necessary to cut the top slightly on each side so as to fit it around the rear legs. Cut a rabbet 1/4 inch wide, as deep as the thickness of the mirror glass, on one edge of each strip, thus:

Nail one strip on the inside face of the rear leg, keeping the rabbeted edge at the top and in the rear. The bottom edge of this strip should be 2 inches above the top of the "Shavingette." Set the mirror between the rear projecting legs, with its lower edge in the rabbet and its rear face against the inner face of the rear legs. Place the other mirror strip across the top, with the top edge of the glass in the rabbet, and the top edge of the strip even with the upper ends of the legs. Place the top mirror strip across the top of the legs on its flat side, keeping its back edge even with the rear outside face of the legs, each end projecting 1 inch over the outside face of the leg. Put the cleats on the door and fit and hang it. Screw on the pull-knob and the button.
 
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