Hard disk material

[Philip Belben]

Roger Holmes wrote:

> After many experiments they found they could not beat the human hand 
> applying a magnetisable compound like a potter making a pot. Sounds very 
> low tech but apparently it works, and I have drums which have not been 
> touched since manufacture and they still work 46 years on. Of course for 
> you, low tech could be a bonus as it means low cost. Maybe your local 
> educational establishment has a skilled potter who could do a great job 
> for a reasonable price, or just for interest.

My mother is a potter, although she hasn't done it professionally since 
before I was born.  She was fascinated when I told her of this.  I don't 
thisnk she could manage this for you, though :-(

Philip.