Books › Violins and other stringed instruments : how to make them ; with numerous engravings and diagrams, 1906 › scan 23
Scan 23
Violins and other stringed instruments : how to make them ; with numerous engravings and diagrams, 1906
16 lines. Read by computer on 29 August 2026. Printed page 19. See the scan on archive.org.
1traverses the surface, shows it at a glance in thirty-seconds of an inch. A still more convenient gauge is Hill's, shown by Fig. 24; the thickness gauged is shown by the pointer on the sector.
3Another kind of thicknessing gauge or callipers can
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7be made of hard wood, and is shown complete by Fig. 25. The part A is 10½ in. long by ⅛ in. by ¼ in.; B is 13 in. long by 2½ in. by ½ in.; E is a round pin ¼ in. high, rounded to a point which must meet the register gauge c (shown separately in Fig. 26). Whatever thickness is between those points will be registered at the point marked x in Fig. 25. F is a spring which enables the register gauge, c, to rise or fall and register the exact thickness as it is drawn over the back or belly of the violin to be measured. A hole ¼ in. square must be made through the upper arm of B to admit the
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13register, c. Fig. 27 is an enlarged view of the bearing or fulcrum D (Fig. 25).
15Regular thicknessing is an essential in the production of a high-grade violin. The work necessary for this is most arduous, consisting of endless careful gouging and
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