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Step 1: Set up drawing jig.

Step 2: Draw the arc.

Versatile Marking Gauge

Precise Door Alignment

Mounting hinges on small doors or lids to the proper clearance or alignment can be a frustrating problem. When I use a hinge that requires a mortise on the case but not on the g door or lid, I first cut the mortise and § screw the hinge to the case. Next, I 5 close the hinge, put a drop of hot-melt | glue on the unattached leaf and lay the | door in place carefully aligned. When S the glue sets in a minute or two I add 1 the screwrs.

David Johnson Apple Valley, MN

You can make your marking gauge more versatile by drilling a hole in it to hold a pencil. Drill the end opposite the scribing point and saw a kerf as shown. Drive in a screw so you can tighten the grip on the pencil. When a scribe mark won't do, you can stick in your pencil and use the pencil end of the gauge.

Simon Watts San Francisco, CA

Step 1: Set up drawing jig.

Step 2: Draw the arc.

them to each other, one along DE and the other along EC as shown. Nail the sticks securely so the angle between them doesn't change. Put your pencil in the angle where the two sticks join and slide the sticks through one half of the arc and then the other half. Hold the sticks against the nails at A and E and then against the nails at E and C.

Angelo Rotondo Pueblo. CO

Tool Setting Scale

I use a sec-through scale that I made from Lucite for setting the depth-of-cut for router bits, saw blades and similar tools. It's easy and accurate to use because the marks are on the side of the Lucite that is against the cutter. The Lucite is so clear that it's like having the marks suspended in midair. Make it any size you like, and use whatever pattern of marks you prefer. Scribe the marks in the Lucite, and then if you want them bolder, go over them with a felt-tip pen and rub off the excess ink. If you label the marks, be sure to put the labels on the side of the Lucite opposite to the marks so they don't appear backw ard when you use the scale.

Centering Jig

You can make your own centering jig for drilling or marking. Bore three evenly spaced holes through a piece of scrap wood in a straight line. The distance between the outer holes must be greater than the width of the stock you want to center on. Glue short dowels in the outer two holes ('/4-in. dia. is appropriate, but use whatever you have.) For mark

Laying Out Large Arcs

When an arc has a very gentle curve, it may be easier to lay it out from the span and rise instead of from the radius. You'll need two sticks and a few nails. First lay out the span, AC, the midpoint, B, and the rise. E, directly above B. Next add D directly above A so that AD also equals the rise. Drive nails part way in at A, C, D and E. Take two sticks, each a few inches longer than EC, and nail


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Wood Working for Amateur Craftsman

Wood Working for Amateur Craftsman

THIS book is one of the series of Handbooks on industrial subjects being published by the Popular Mechanics Company. Like Popular Mechanics Magazine, and like the other books in this series, it is written so you can understand it. The purpose of Popular Mechanics Handbooks is to supply a growing demand for high-class, up-to-date and accurate text-books, suitable for home study as well as for class use, on all mechanical subjects. The textand illustrations, in each instance, have been prepared expressly for this series by well known experts, and revised by the editor of Popular Mechanics.

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