Quote Originally Posted by cegorach View Post
It is a nice idea, but unlikely to work - these are old, very old files so unlikely to give us any results.

Is it possible to enlarge the images without losing quality e.g. before they are converted into .bmps?
Here. It's how it looks when you double the size:
Click image for larger version. 

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ID:	17663

It's the best we can do.