Woodworker's Journal 1984-8-6, страница 22

Our catalog doesn't just sell you things. It teaches you things.

Catalog is a new. 212-page collection of woodworking hand tools, machinery, finishing supplies and accessories that are simply the finest available. Anywhere. And besides offering quality tools from around the world, we also give you a lot of quality advtce. On woodworking techniques On picking the proper tool for a particular job. On finishing, sharpening clamping and more

The catalog is filled with superb photography, honest specifications and reliable descriptions. It's neatly divided into seventeen sections, including a section on our Swiss INJECTA INCA power tools. And throughout the year, our catalog owners will receive several handy supplemenis-/ree of charge. Just send In the coupon below wilh S3.00. and we'll send out your copy of the 1985 Garrett Wade Catalog It just may prove to be the most useful tool vou own.

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catalog, for each: O INJI-.1XA I NO □ Caning D Finishing Enclosed is t_

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New! Blade Honing

Jig

Power Feed

This is a foolproof sysiem for honing chisels and plane Irons, on whetstones To get the exact bevel, adjust the roller screw so that the blade bevel lies flat on your stone Then, a few strokes up and back along the stone does it. Takes all blades up to 2%" wide . ONLY S9.95

MON. THRU SAT., B A.M.-10 P.M. 6.S.T. Call TOLL FREE 800-321-6840

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LEICHTUNG%y

•THE Workbench People *lH £ ^944 Commerce Pkwy., Cleveland. Oh. 4412^J

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Use the Woodmaster to dimension and finish-sand cabinet pieces, resawn slock, paneling, grandfather clocks, loyii, tablet ops, knws. burls, cruk'hos, and much, much more! You'll soon find it'* one of the mast valuable tixils in your shop!

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The Beginning Woodworker, (Cont'd)

,2%. When boards of less than 10 feet are used, this type of shrinkage can be considered as negligible.

From a practical point of view, most of us work with lumber that is mainly plainsawn but, depending on where from the log the board is cut, some plainsawn lumber approximates quartersawn stock. All this discussion of tangential and radial shrinkage boils down to one main point: most shrinkage will occur across the width of plainsawn stock and allowances must be made for this "movement" when designing a piece.

Coping with shrinkage is a subject in itself but one hard and fast rule that all woodworkers must be aware of is: boards that are going to swell and shrink in width must not be restrained with glue and screws to parts that will remain stable. For example: a table top can be fastened to a base with screws through slotted holes in the base. This is one of several good methods which will allow the top to expand and contract in width.

Other characteristics and qualities of wood, particularly the grain direction, also directly affect the design of a piece including the manner of construction and the joinery used. The end grain of any board is porous and cannot be permanently glued to any other wood surface. To join a horizontal member to a vertical member (end grain to long grain respectively), a joint such as a mortise and tenon or mechanical fasteners must be used.

Glue by itself can only be used when joining long grain to long grain. Examples of long grain glue joints include face to face and edge to edge joints. The most effective and widely used joints in woodworking are designed to maximize glue surface where long grain contacts long grain.

When edge-gluing boards for table-tops or other wide surfaces, some craftsmen suggest arranging each board so the growth rings, as seen at the ends alternate up and down. Others contend that it's best to face all boards so that the heartwood faces up, while still others recommend aligning heartwood edges to heartwood edges. Naturally, much will depend on the character of the wood used as well as the design of the piece. When in doubt, your best bet is to simply arrange the boards with the most attractive grain figures face up, regardless of grain direction, but remember to reverse direction as necessary when planing to prevent tearing the wood.

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