Woodwork and mechanical drawing by Fox William Paul

Author:Fox, William Paul. [from old catalog]
Language: eng
Format: epub, pdf
Tags: Woodwork, Mechanical drawing
Publisher: Chicago, Ill., Fox brothers
Published: 1914-03-25T05:00:00+00:00

LESSON NO. 20 A COSTUMER

The making of a half lap joint is the new exercise taken up in this problem. Square the two pieces for the base 18" by 1%" by 1%", and make sure that they are exactly alike. Then with knife, try square, and marking gauge lay out the grooves, which must be exactly in the center of the pieces, of the same width of a piece, and one-half the thickness, so that they will fit into each other.

With back saw cut close to the lines, Fig. 125. With chisel and mallet cut out the piece between the saw kerfs, Fig. 126. Cut from both sides so as not to break the edges. Carefully trim the bottom of grooves with a sharp chisel, Fig. 127. If the grooves are not quite wide enough or deep enough pare carefully with chisel to proper size, Fig. 128.

Put together with glue and clamp. Allow twenty-four hours to dry. Scrape off any surplus glue, and plane top and bottom surfaces flat.

Shape and true all the other pieces.

Assemble problem.

From the large variety of hat and coat hooks obtainable, choose the ones best adapted to the harmony of the problem. Be simple rather than ornate.

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