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The Patriot Woodworkers with Operation Ward 57 Adopt a Wounded Warrior Family for the Holidays - 2019 project is live, please click on link to view our very special annual project.

John Morris

MWTCA September 2019 'What's It' Project (900)

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"What's It" Basic Rules Reminder

 

For a full run down on this project and rules please go to: "The Patriot Woodworker and MWTCA "What's It" project"

  • Only Patriot Woodworker Members are eligible to participate and receive the award.
  • The MWTCA only accepts a verified source to support your answer, so one should be submitted with your answer, such as a patent, catalog entry, tool book reference, or a respectable website on the subject. Do not let these requirements prevent you from having fun and submitting educated answers on the subject without verification, we can worry about references later. All answers are welcome, as well as healthy debates regarding "What's It".
  • If a verified and referenced answer is not arrived at by the end of each month's "What's It" project, a random draw will be performed for a "One Year MWTCA Club Membership".
  • Only Patriot Woodworker's who participate in this "What's It" topic will be included in the random draw.

 

Ok ladies and gentlemen, we now have our "What's it" live and ready!

The image(s) below is a MWTCA "What's It" image for you to research, and tell us all here in this topic post, just what the heck is it!

 

Project Details

The information provided hereon is all the information that is provided, no further information on this item will be added.

 

900.jpg

 

900b.jpg

 

 

 

 

 

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It is an indicating inside caliper.  Here is a link to the best explanation I could find.

 

https://www.practicalmachinist.com/vb/antique-machinery-and-history/interesting-indicating-inside-calipers-148205/

 

Here is a modern version.

 

1568_inside_1_300.jpg.8895a80f2af42eaeb791ebd41a45289f.jpg

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59 minutes ago, Cal said:

But maybe they were wondering about the extra what looks like a pivoting pointer on the one leg?

Exactly, the inside caliper function is well known, but what is the extra fold out piece of steel for? What is the purpose of this caliper, and what is it called?

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I really need a secretary, I was getting ready to do our random draw for Octobers winner when I saw September was never awarded! Sorry for the late notification folks.

 

mwtca.gif

Winner

@HandyDan has been selected as this months MWTCA Membership recipient.

Since a verifiable answer was never arrived at for this item, we went to random draw.

 

Award

Dan, for your participation you have won a 2020 Calendar Year membership into the MWTCA.

Please Private Message me your contact info, shipping address, spouse or significant others name (if applicable).

Thank you all for your participation!

 

Links

 

Gristmill Magazine Sample

the gristmill

 

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