How scarce (valuable) is core for the PDP-8?

From: Mike Ford <mikeford_at_netwiz.net>
Date: Thu Apr 22 12:28:06 1999

>> >Cores large enough for visual indication of magnetic field would be in the
>> >10-20AMPS select curent range. Not a real possibility.
>>
>> Maybe so, but those are practicality issues, not feasibility.
>
>that answer equates to "whatever". Describe the mechanics of displaying
>the orientation of a magnetic field in a closed torus? I was trying to
>get someone to think on how thjis may be done impractical or not.

Gee don't they have little arrows sticking through the middle like my
physics books show?
Received on Thu Apr 22 1999 - 12:28:06 BST