My Dad bought this at a Secondhand Shop because he didn't know what it was.  So far we haven't found anyone with any idea!  If you have any clues we'd appreciate hearing from you.

I have photos to attach, I just can't work out how to do that...

You need to join Tool Talk to post pictures. There are threads at the top of General Discussion that will help you post pictures. If you don't want to join, email pictures to me at nhankamer@papawswrench.com .

I would like to see what the OP is talking about and looks like. Please come back and post some photos for us.

OP is attempting to register. Meanwhile I am posting the pictures in the original post.

Does the horizontal shaft in the last photo rotate via the crank?  If so,  a grinding disk or disks could have been installed there.  The slide mechanism holds a blade that is passed over the disk for honing or sharpening, similar to the sickle bar sharpeners presented awhile ago.

Thanks for jogging my memory!
Look here- http://www.papawswrench.com/vboard/index.php?topic=1724.0

How do you insert the link ?  I'm sure if I took the time to read thru the rules of the site, I could find it.  But, I'm lazy on weekends.  Thanks

Copy the URL of the site you want to link to,
Click on the icon above the Reply box that looks like a globe with a page on it,
That will place url in brackets and /url in brackets in your text,
Paste the URL between them and when you post it will be a link.

Thanks!

Thanks so much!  Dad is stoked to find out what it is, although it's a little bit different to the one on the other thread.  Could it have a slightly different application?

There were many diifferent ones made. Did you see the pictures? Some collectors have 20 or more of them, all slightly different.
Yours is missing the grinding stone.

Wasn't sure if the grindstone went on the longer end of the top rod that the handle moves, or somewhere else.

Like this one-