A friend recieved a box of feet and machine accessories from a home ec dept. shutting down. They might all go to a singer - the throat plate says 171137 singer U.S.A. on it, and the large whatever-it-is foot says 161420 singer GT BRIT - but some of them might go to something else. All the smaller things don't have any maker marks.

Can anyone help me identify what these do, and are they worth anything?

the bottom left is for applying bias tape, probably singer, looks like mine

top middle looks like a seam guide

I believe the biggest foot is for cording.

bottom left - rolled edge hem
bottom right - zipper foot

Bottom left looks like 3/8" bias foot & looks like the one for my singer

Bottom Center is feed dog plate

bottom right is a zipper foot. You just flip it around depending on whether you want the needle on the left or right.

Bottom center is a plate for straight stitching. The tiny hole for the needle makes it more difficult for the machine to eat those tiny triangle corners.

looks like the only ones not identified are the upper left and upper right. Any chance you can provide different pictures of these? ON upper right looks like the part to attach it to the pressure foot is on the bottom, but can't see that part on the one on upper left.

The top left kind of looks like the embroidery foot that came with my Singer Quantum Futura CE-200. I'm not sure though because I can't see it well enough.

The top right looks like it could be an adapter of some sort to be used in conjunction with other feet. I have to take a little metal piece off mine to use the embroidery foot or walking foot and put it back on to use the straight stitch foot, applique, etc. (normal sewing feet.