Books › Violins and other stringed instruments : how to make them ; with numerous engravings and diagrams, 1906 › scan 31
Scan 31
Violins and other stringed instruments : how to make them ; with numerous engravings and diagrams, 1906
20 lines. Read by computer on 29 August 2026. Printed page 27. See the scan on archive.org.
1MATERIALS AND TOOLS.
3turn or two of the screw will hold all tight. The wooden wedge, however, is simple, and holds perfectly.
5A fine-toothed plane, such as cabinet makers use for veneering, is frequently required, more especially for sycamore, which is strong in "figure."
7Oilstones will be required for sharpening gouges, plane irons, and chisels.
9Steel scrapers (see Fig. 41) are wanted; these have one flat edge and three different round ones. The edges should be ground square across, the scraper placed edgeways in a vice, and sharpened by drawing the polished back of a gouge along the edges, at an angle of about 60°. A proper scraper sharpener is a piece of 1/8 in. or 1/4 in. round polished steel fixed in an ordinary tool handle. When the scrapers become dull, draw the gouge or sharpener flat along the sides; this turns the "burr" to the edge again; then sharpen them in the vice as at first.
11Several half-round files, different sizes, and of varying degrees of fineness, will be necessary.
13Purfing tools include a special form of cutting gauge, a knife, and a picker or router.
15The simplest form of purfing gauge can be made as follows:—Take a scrap of hard wood, about 4 in. by 1 in. by 1/8 in., and cut a cheek about 1 in. long and 1/2 in. deep at one end. At exactly 1/3 in. from this cheek drive in a small steel brad, and file it to a sharp point with a fine file. This, of course, makes but one cut at a time.
17A better but still very simple gauge is shown in Fig. 42. The wooden part is shaped as before; then insert two steel brads about 1/4 in. apart, and file to a nice cutting edge both ways. Try the gauge on a waste scrap of pine to see that the cuts are just the width of the purfing apart.
19Fig. 42.—Purfing Gauge.
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