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Can anyone identify this?

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Simon Baldwin 130/07/2018 12:52:14
7 forum posts
3 photos
Hi there, I wonder if anyone can help, I got a bargain of the century this weekend on eBay, I got a fuse poping Chester centurion lathe and with it came this Moore and Wright tool that I have no idea what it is, the scale is metric but I can't find any information about it or if it's complete.

Hopefully somebody can help
Simon Baldwin 130/07/2018 12:58:33
7 forum posts
3 photos
I'm not sure how to add pictures but they are in my album
Ady130/07/2018 14:01:45
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6137 forum posts
893 photos

Tim Rowe 130/07/2018 14:04:26
14 forum posts

I am going to have a wild guess.

Something for measuring cams.

Simon Baldwin 130/07/2018 14:25:44
7 forum posts
3 photos
Thanks ady, I am doing this on my phone!

The section in the middle doesn't show up that well, but it is a iris and moves with the long shaft that is connected to the gear.
Michael Gilligan30/07/2018 15:39:30
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23121 forum posts
1360 photos

I don't recognise the device but I suspect that the only Moore & Wright part is the micrometer head.

MichaelG.

I.M. OUTAHERE30/07/2018 16:42:57
1468 forum posts
3 photos

I will have a wild guess as well , something off of some sort of projector ? The iris could be use to controll the amount of light emmited and the micrometer head used to adjust something with crosshairs or similar .

Micrometer head looks to be calibrated in metric and in reverse to what a normal mic would have .

SillyOldDuffer30/07/2018 16:46:34
10668 forum posts
2415 photos

The iris suggests optical to me, and an old British metric micrometer hints at scientific application rather than engineering. Looks as if it was bolted down in use, not hand-held.

The measuring end (if that's what it is) appears to have at least one part missing. It appears that turning the micrometer screw would wedge open two halves of a sprung holder designed to take a round object.

My guess is that it's part of a larger system used to test optical lens. Newtons Rings perhaps, with the micrometer used to accurately centre the lens, and the iris used to sharpen up the image?

Dave

Simon Baldwin 130/07/2018 20:42:05
7 forum posts
3 photos
The mic is definitely not your usual mic, it only has 5mm travel, yes it does look like it's missing a part, the mic does screw in and wedge it apart and it is spring loaded so Springs back when wound back. I am a young engineer being 47 but I have never come across anything like this!
Clive Hartland30/07/2018 22:27:16
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2929 forum posts
41 photos

This might be a component from a Microscope, in my time I have had to make all sorts of weird bits for the microscopy department. They use reflected light and it can be critical to control for things like seeing and focusing inside samples or specimens. Just a thought!

richardandtracy30/07/2018 22:42:24
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943 forum posts
10 photos

Reminds me vaguely of something I saw briefly once at university. A polarimeter. It was used for stress analysis of complex shapes before finite element analysis. A screw applied an accurately measured deflection to a clear acrylic profile via a point load, then there were two polarising sheets, one fixed and one rotated to make the stress patterns visible when white light was shone through the profile. Have to confess my recollection is hazy as I wasn't the slightest bit interested in it at the time, so I may be wrong, but this may be missing only 2 bits, the polarising filters and a clear acrylic profile.

Regards

Richard.

 

Edited By richardandtracy on 30/07/2018 23:00:25

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