Bamboo Tips - Contraptions - Measuring

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Here are some pictures and/or drawings of measuring devices from various makers.  If the name of the submitter is underlined, you can go to the submitter’s web site.

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John Bokstrom’s Strip Measurer
(Thanks to Patrick Coffey)

John Bokstrom’s Strip Measurer 01

John Bokstrom’s Strip Measurer 02

John Bokstrom’s Strip Measurer 03

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Ron Grantham’s Depth Gage
(Thanks to Patrick Coffey)

Ron Grantham’s Depth Gage 01

Ron Grantham’s Depth Gage 02

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Tony Spezio’s Depth Gage

Tony Spezio’s Depth Gage 01

Tony Spezio’s Depth Gage 02

Tony Spezio’s Depth Gage 03

Tony Spezio’s Depth Gage 04

Tony Spezio’s Depth Gage 05

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Ron Larsen’s Measuring Tools

Ron Larsen’s Measuring Tools 01

Ron Larsen’s Measuring Tools 02

For years I've used a modified thread mic to measure strips.  I replaced the original anvil with a new one with a 60° V-groove and adjusted the micrometer sleeve with a series of gage pins.  The photos show the mic with the original anvil and the replacement anvil. The replacement worked well enough, but I've always felt the bearing surface was too small.

Ron Larsen’s Measuring Tools 03

Ron Larsen’s Measuring Tools 04

Ron Larsen’s Measuring Tools 05

Ron Larsen’s Measuring Tools 06

I tried Waara blocks but found them too rigid.   I like having the anvil swivel, so I made a slip-on attachment for my micrometer.  The prototype is brass with a brass spacer.  I found it's easier to make the anvil short and adjust the distance with a shim spacer.  I made another set from stainless.

Ron Larsen’s Measuring Tools 07

Ron Larsen&#8217;s Measuring Tools 08

Ron Larsen&#8217;s Measuring Tools 09

Ron Larsen&#8217;s Measuring Tools 10

The anvil on the digital gage also swivels.  The gage body is made from a couple micrometer holders and brass spacers.  The indicator has a preset function, so I use a gage pin to zero it.

Ron Larsen&#8217;s Measuring Tools 11

Ron Larsen&#8217;s Measuring Tools 12

I use a height gage to measure the height of the bamboo strip off the planing form.  This lets me know how far I have to go and, since I use a grooved plane, it lets me know if the strip is constant.  The Alina gage is perfect for this application, you twist the knob at the top to zero the gage.

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