LGP-30 Memory Drum Update

Pete Lancashire pete at petelancashire.com
Thu Jan 5 08:49:00 CST 2017


>>I would clean all the heads, and the surface with a soft cloth and give it a try.


A place I worked, a "soft dry cloth" unless it came out of a package
made by Texwipe or their competitors was known as "sand paper", if you
were caught using such you were fired on the spot and escorted out the
building. Same for paper towels.


Just my 2c's

-pete


On Thu, Jan 5, 2017 at 1:41 AM, Christian Corti
<cc at informatik.uni-stuttgart.de> wrote:
> On Wed, 4 Jan 2017, 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
>
>
> Yes, it is ferric oxide.
>
>> http://www.radar58.com/temp/drum.jpg
>> http://www.radar58.com/temp/drum2.jpg
>
>
> Hmm, your drum doesn't look to bad after all. In your case I would clean all
> the heads, and the surface with a soft cloth and give it a try. For basic
> testing you only need one data track plus the register and timing tracks.
>
> Christian
>


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