4th picture, 2nd down far right is used on machine bed to use as an edge guide. It screws down on the machine bed and you run your fabric edge along it. The slot goes to the right and the edge is the part that is higher.
Clear as mud?
I see others that I know and a couple I think.... The first 2 on top row large pic may be button hole makers for plain zig-zag machines.
You also have several rufflers, bias tape makers/appliers, zipper feet, rolled edge, straight stitch needle plates and feet. What a great find!