Now I have a weird problem...
I have this fine old Unicum shutter, which works perfectly. As a shutter.
But the aperture blades seem to have shrunk! does anyone here have any idea about what I can treat them with, to make them swell to their original size so that the aperture can be adjusted without the end pins coming out of their slots?
See attached pictures - the shutter is fine, but picture 2 shows the shrunken aperture blades.
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