Scan 68
How to make a violin : The violin, its construction practically treated, 1892
6 lines. Read by computer on 3 September 2026. Printed page 54. See the scan on archive.org.
1precisely the same way, but the back must be throughout half a line thicker than the belly. In other words, the rectangular space on the back will be one-twenty-fourth of an inch thicker than that on the belly, the groove round the edge one-twenty-fourth of an inch thicker, and the gradual diminution from the one to the other one-twenty-fourth of an inch thicker at the corresponding points.
3To ensure these thicknesses being correctly obtained, make a small wedge of some hard wood one-eighth of an inch thick at the broader edge, one-twelfth of an inch at the centre, and one-sixteenth of an inch at the thin edge. This will serve to adjust the compasses, the buttons of which must be put at the thickness required, and fixed at that position by the screw. Work with the small plane and scraper.
5Note the following:—the strokes of the plane will take away your pencil lines, and fresh ones must be drawn at each measurement. Do not trust your eye, but work rigidly to the exact rectangular shown by the pencil marks.
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