I would classify that as a coach makers router, in my head.  Looks like it
cuts 2 parallel grooves, not a single large one.  And I agree with pulled,
but this version disagrees on that, but agrees on grasshopper and
Sandusky.  So what do I know?

https://www.worthpoint.com/worthopedia/uncommon-sandusky-grasshopper-
double-3826921483

And once you go down that rabbit hole, we are all wrong on pulled vs pushed.

https://www.google.com/search?q=sandusky+grasshopper+plane&rlz=1C1GCEA_enUS977US
977&oq=sandusky+grasshopper+plane&aqs=chrome..69i57j69i60l3.3975j0j1&sourceid=ch
rome&ie=UTF-8

And Stuart is a member here, so you might get a separate response.

Kirk in Half Moon Bay, CA, a little garage time over the weekend got some
messes cleaned up.



On Sun, Aug 7, 2022 at 9:15 PM Tony Blanks 
wrote:

> Friends,
>
> To clarify the subject line, it is the plane which seems odd to me
> rather than the question.  The images are on the website of an Aus
> set-price dealer so the asking price is what it is.
>
>
> https://www.toolexchange.com.au/product/vintage-plane-double-handle-3-8
-groove-in-good-condition/
>
> Can anyone recognise this device, identify it and tell me how it is
> meant to be used?  I have been puzzling for a couple of days now, and am
> beginning to wonder if all the parts (the blade for instance) are
> present or it has been wrongly assembled.  I understand the uses for a
> 3/8" groove but it seems there are easier ways to do the job. It has me
> bluffed!
>
>


-- 
Kirk Eppler in Half Moon Bay, CA