LGP-30 Memory Drum Update

Jon Elson elson at pico-systems.com
Wed Jan 4 20:56:50 CST 2017

On 01/04/2017 05:24 PM, Cory Heisterkamp wrote:
> I'm far from an expert, but it certainly looks like an oxide coating to me. I'm reminded of the folklore when IBM was developing the RAMAC and finally had success with a magnetic paint mixed up outside of house. In that case it was easy to apply...just spin up the disc and pour!
> http://www.radar58.com/temp/drum.jpg
> http://www.radar58.com/temp/drum2.jpg
Yup, that looks pretty "oxidey" all right!


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