Originally Posted by
miriam
That isn't dirt - that is dried up powdered shellac - be very careful to follow Glenn's instructions to fix the finish on that. I'm betting with some TLC it would work just fine and be ready for your next project.
Could be, but judging from the dust build up on the lamp, which probably isn't shellacked, the machine might just be covered in dust. Hard to say for sure without seeing it in person.
Looks like the stitch length lever is there.