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

From: Dave Dameron <ddameron_at_earthlink.net>
Date: Thu Apr 22 10:20:04 1999

At 10:28 AM 4/22/99 -0700, Mike wrote:

>>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?
>

Are these arrows representing the current that cause the magnetic field
inside the toroid? The field remains at some level when the current is
removed, thus the storage.
-Dave
Received on Thu Apr 22 1999 - 10:20:04 BST