mold

Hello all, I just bought a Fujica ST801 on the internet and found suspicious stains on its shutter curtain. Please see the images below. Could someone please offer some insight as to what they are and how I should clean them? The shutter curtain works fine. All the shutter speeds are accurate...

Hi. This is my first post. I am very interested in photography and wish it were under different circumstances that I were posting. A month ago I had a water leak in my basement. Just yesterday I found that water had gotten into a box of photos 10 to 25 years old that had been developed from...