we’ve been over this before, but I made it better in my MESDA talk

pole lathe
pole lathe

I know what you’re thinking…

What if Salvador Dali was a 17th-century turner…

dali 2

 

 

 

Dali Van Vliet

 

Here’s what you’d get…

penpoint stair

 

swash stairs

 

Here’s the machine. Now someone get to it, please.  Reference for this image is: Theatre des Instruments Mathematiques,

Jacques Besson (c.1571)

german swash

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21 thoughts on “we’ve been over this before, but I made it better in my MESDA talk

  1. Pre – dating the Blanchard lathe by how much? I used to work in a shop that had a circa 1840 handle lathe that was similar but power driven, it was fascinating to watch (from a distance).

  2. If you had posted a YouTube video of the process, I think I would have needed some Dramamine to watch it.

    I’ve seen boring bars for hollowing vases, etc, that use part of the mechanism shown in the etching, but I’m not sure I understand the linkage between the boring bar and what appear to be eccentric cams.

    The principles appear to be different from those used in a Legacy mill.

    I think the engraver is playing it fast and loose with physics: The leg with which the turner is actuating the treadle would need to weigh about 20 stone (mostly muscle) to effectively counteract the bow at that distance.

  3. It is confusing, the balusters look like examples of stepwise off center turning and the lathe something for elliptic turning. Can someone do it on youtube :)

  4. the machine I have seen that does this moves the workpiece side to side as well as around and the tool stays steady…

  5. You know I still haven’t seen Mike Podmaniczky’s “At last he truth can be told” thing about spiral turning, but swash turning win the odd rig sweepstakes, these are sensational.

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