The bowl being measured slides between two non marring brass balls.
Bowl thickness gauge.
The thickness of the bowl wall is indicated by how far the end of the plunger is from the c shapes gauge.
Here s a link to his site for more details.
Designed to measure the wall thickness of bowls up to 20 in diameter the tompkins gage t thickness gauge is also ideal for checking platters too.
We offer inside outside calipers double ended calipers for bowl turning and mini calipers for small projects in addition to specialty calipers for measuring the wall thickness when hollow forms we have them all right here for you all backed by our 100 satisfaction guarantee.
Made of urethane resin the gage t has a spring loaded steel rod with lines etched around it that allows for direct reading in the wall thickness.
Transfers your bowl s wall thickness measurement to the outside caliper tips without removing it from your work.
Essential for measuring and maintaining the proper wall thickness of your bowl.
Aug 3 2014 turning a segmented bowl homemade thickness gauge.
This plunger style caliper was designed by mike jackofsky.
Each line represents 1 16.
The thing i like about the gage t is that you can easily slide the tool down the wall of the bowl and watch the scale to show the actual thickness of the wall at that point no guessing or estimating making the identification of the specific area that needs more work quite easy.
8 from pivot to tips.