Dave Balderstone wrote:

In article , Duane Bozarth
wrote:

I saw another (not quite so melodramatic g) description of the
function previously and a small (thumbnail, in essence) overview picture
but I still don't know exactly how the blade looked or how it was
held...

I inherited one from Grandpa. He had a drywall knife blade in it when I
got it.

Is there just a bed iron screwed to the bevel that clamps the blade in?