Anyone know what this is ?

[Neil KilBaneParticipant @neilkilbane98968]

This came in a box of bits I bought at auction.
Anyone know what it is or what it's for ?

[Neil KilBaneParticipant @neilkilbane98968]

[Neil KilBaneParticipant @neilkilbane98968]

[Neil KilBaneParticipant @neilkilbane98968]

[Neil KilBaneParticipant @neilkilbane98968]

This is the range of movement

To this

[Neil KilBaneParticipant @neilkilbane98968]

This piece holds a small insert

That has a screw to hold it in place and a hex screw to set the depth of the insert.

[Rob McSweeneyParticipant @robmcsweeney81205]

Shop made taper turning attachment?

[John Paton 1Participant @johnpaton1]

For scribing graduation lines on feedscrew dials?

[John Paton 1Participant @johnpaton1]

For scribing graduation lines on feedscrew dials?

[Neil KilBaneParticipant @neilkilbane98968]

Posted by John Paton 1 on 29/12/2021 08:31:40:

For scribing graduation lines on feedscrew dials?

There doesn't seem to be any scribe or point to make a line, the insert in the piece is a hollow divit.

[Neil KilBaneParticipant @neilkilbane98968]

The T slots seem to be imperial if thats of any use, the T width being 1/2" and the slot 1/8" high. The groove is 1/4" wide.

[Chris GunnParticipant @chrisgunn36534]

The piece with the tee slots looks like a Myford cross slide, I would go with a taper turning attachment too.

Chris Gunn

[Howard LewisParticipant @howardlewis46836]

A Slotting Tool, to produce keyways, perhaps?

Howard

[Thomas JasonParticipant @thomasjason66777]

Seems to be a tool for alignment

[Author]

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