Yet another what is it

[William SParticipant @williams]

Hello all

The nearby car boot sale turned up a few bits for the workshop;

A Belco 0-1/4'' drill chuck, shame about the surface staining but the moving parts had oil on them so all good

A pair of large V block stirrups (is that the right name?) No makers name so could they be apprentice pieces? There was no sign of the V blocks so redundant I suppose, still might be useful.

Also a Chinese 80mm self centering 4 jaw lathe chuck minus the other set of jaws, for £12 might come in useful one day, would have to come up with a backplate on the Myford but it does fit the Axminster sc2 mini lathe with minimal run-out so might remain on there just in case!

Then there is this item, was wondering if anybody can shed a light on its use would appear to be a jig to hold something but what I am unsure;

The pin is spring loaded

the vertical line is a V

And this is the clamping knob on the rear of the tool.

It looks to be home made for quite a specific task, it came from the same box as the drill chuck and V block stirrups if that helps in anyway.

There was also flexispeed meteor 2 lathe there in quite original condition with the vertical slide, fixed steady, 3 4 way tool posts, little drill chuck and a few other bits, didn't ask about the price but I can think it wouldn't of been cheap if they had done a bit of research! (they were also dealers)

Then there was a G.Boley watchmakers lathe in its box and looked quite complete. However the £400 asking price is going to put quite a few people off.

Many thanks for reading and any ideas on that unknown part would be good.

William

[William SParticipant @williams]

Mondays boot fair finds

[Neil WyattModerator @neilwyatt]

Interesting one, William.

It looks like the long bar clamps a small, cylindrical object in the vee, at a position decided by the stop and the angled (scriber?) marks or aligns with it.

Clearly made to a high standard for a specific and presumably quite precision job.

[John McNamaraParticipant @johnmcnamara74883]

I think the angled sides are a clue. Maybe a jig for grinding facets on some sort of cutting tool?
 

Edited By John McNamara on 11/05/2018 14:49:20

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