Photos & Documentation
Violin documentation has come a long way, from the hand-tinted etchings in the Hill Stradivari book, to these photos taken with a 39 megapixel Hasselblad camera, CT scans, and thickness maps processed with geographical software.
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Similarly, thickness measurements taken without disassembling the violin and using a 'Hacklinger' external magnetic gauge (as done with the Titian and Willemotte violins), give good reference but may have a small margin of error. The color-coded Thickness Contour Maps are especially useful as they clearly show patterns of thickness variation, even allowing for slight measurement variation.
These CT Scan cross-section "slices" were taken using Computed Tomography, a special kind of X-ray. (See CT Scans) should this be a link? There is a centimeter scale included on the image, for printing to accurate scale. The "slices" are in customary arching template positions:
- Lower bout widest point
- Lower corner just below the f-holes
- Middle bout just above the f-holes
- Upper corners deepest part of curve
- Upper bout widest point
- Lengthwise Horizon
- = 10cm.
Photos by Tucker Densley
CT Scan image preparation by Steven Sirr and John Waddle
Thickness contour maps by Jeffery Loen
Violin specification and thickness measurements by S. Zygmuntowicz
Additional images by S. Zygmuntowicz