Help ID'ing these widgets?

W

Waldo1

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These all came with my Atlas 10". Some may not even be machining-related, but gotten stuffed in one of the drawers of tooling that came with the lathe (I found some weedeater parts in one drawer). The small circular device on the right has eccentric teeth/jaws like a clutch and a threaded back.
rmsahg.jpg
ad29lu.jpg


There are no markings on this boring-bar holder- any ideas?
903j0o.jpg


Was this a threading tool the previous owner made?
fz96pt.jpg

rmsahg.jpg

ad29lu.jpg

903j0o.jpg

fz96pt.jpg

rmsahg.jpg

ad29lu.jpg

903j0o.jpg

fz96pt.jpg
 
That is a great threading tool. Has anyone used one like that?

Jeff
 
The second picture may be a homemade vise on the left side. the threading tool looks like it was made to use broken taps to thread I had thought of trying it at one point when I was younger
 
That threading tool looks kinda cool
 
Both are home grown, the threading tool and the bore holder. The threading tool uses a piece of a bottoming tap for the cutter. Bottoming taps have very short leads and straight sides.

"Billy G"
 
The other doodad with the eccentric shoes appears to be a work driver for work held between centers on the lathe; does it fit on the spindle?
 
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