Recovering the ROM of an IBM 5100 using OCR (among other things)

[John Foust]

At 11:32 AM 6/27/2019, Jon Elson via cctalk wrote:
>If you google "magnetic tape viewer" they have pictures of what I think the earlier poster described.

I see quite a few on eBay and Amazon.  Looks like you just need to 
pick a Japanese one?  What's the distinguishing characteristic of a
better one?  It'll see mag tape marks like the liquid does?  
Or I would assume the liquid is much more high resolution.

- John