Harper, Abe. (1996). Determining Bowl Thickness. American Woodturner, 11(2), 16-17.
https://www.woodturner.org/common/Uploaded%20files/AmericanWoodturner/AW1990s/AW1102-1996.pdf

• Requires membership with American Association of Woodturners (AAW).

Pinto, Michael. (2021). An Accurate Bowl-Depth Gauge. American Woodturner, 36(2), 23.
https://www.woodturner.org/common/Uploaded%20files/AmericanWoodturner/AW2020s/AW3602-2021.pdf

• Requires membership with American Association of Woodturners (AAW).

Powell, Dick. (2012). Foolproof Method to Determine  the Thickness of a Bowl’s Bottom. American Woodturner, 27(3), 32-33.
https://www.woodturner.org/common/Uploaded%20files/AmericanWoodturner/AW2010s/AW2703-2012.pdf

• Requires membership with American Association of Woodturners (AAW).

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