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Mystery object

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Gary Wooding15/02/2019 08:19:27
1074 forum posts
290 photos

A friend was given this mystery object, but has no idea what it is or what it was used for. He brought it to the ME club last night, and nobody could shed any light on it or its use either.

Its about 10" long and lives in a fitted wooden box. There is a corroded 1/4" (?) ball that fits into the recess at the end, at the bottom of which is a small hole that looks as if it has some sort of thin oil in it. There is no scale or other markings associated with the indicator that is apparent in the photo.

Any ideas?

mystery item 1.jpgmystery item 2.jpgmystery item 3.jpg

Edited By Gary Wooding on 15/02/2019 08:19:59

I.M. OUTAHERE15/02/2019 08:36:03
1468 forum posts
3 photos

Your friend couldn't be in a better spot for the first picture devil

Edited By XD 351 on 15/02/2019 08:38:10

Stuart Bridger15/02/2019 08:36:06
566 forum posts
31 photos

Matrix were (and still are) clutch manufacturers. Only a guess, but some form of alignnment tool?

MichaelR15/02/2019 08:43:47
avatar
528 forum posts
79 photos

Looks something like these Link

Gary Wooding16/02/2019 08:04:19
1074 forum posts
290 photos

Thanks for the suggestions - I'll report back to my friend.

John MC16/02/2019 08:22:53
avatar
464 forum posts
72 photos

It's a fiducial indicator. Fitted to (engineering) inspection equipment to ensure consistency of measurement.

John

Tony Pratt 116/02/2019 08:30:56
2319 forum posts
13 photos
Posted by John MC on 16/02/2019 08:22:53:

It's a fiducial indicator. Fitted to (engineering) inspection equipment to ensure consistency of measurement.

John

John is correct.

Tony

Gary Wooding16/02/2019 12:12:02
1074 forum posts
290 photos

Thank you.

fishy-steve16/02/2019 13:24:12
122 forum posts
30 photos

Looking at this picture you can see the fiducial indicator in it's instrument.screw-thread-measurer.jpg

Michael Gilligan16/02/2019 14:36:52
avatar
23121 forum posts
1360 photos
Posted by John MC on 16/02/2019 08:22:53:

It's a fiducial indicator. Fitted to (engineering) inspection equipment to ensure consistency of measurement.

.

... as featured in another very recent thread: **LINK**

https://www.model-engineer.co.uk/forums/postings.asp?th=140434

MichaelG.

Neil Wyatt16/02/2019 15:33:10
avatar
19226 forum posts
749 photos
86 articles

Michael might like this PDF

The link is a very long google link.

Neil

Michael Gilligan16/02/2019 17:17:49
avatar
23121 forum posts
1360 photos
Posted by Neil Wyatt on 16/02/2019 15:33:10:

Michael might like this PDF

.

Thanks, Neil

MichaelG.

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