Yep.  Core memory.  An electrical pulse from the X direction crossed with a pulse from the Y direction at the right time, and the magnetic coil would hold magnetism.  That could be read digitally as a "1".  I guess no charge on the magnet was a "0".  Same principle as all the semiconductor storage today, or even lighting the pixels of LCD and LED displays.  Last time I saw some of this was at the NAVSEA Crane electronics repair facility, where perhaps they still have to maintain some of this electronics equipment.  Hopefully, that is on destroyers have now been sold/given 3-4 times to smaller/newer countries around the world that want to start a Navy.  Old electronics sometimes never goes away - it just comes back for repair. 

Denny Fritz



-----Original Message-----
From: Steven Creswick <[log in to unmask]>
To: TechNet <[log in to unmask]>
Sent: Thu, May 23, 2013 1:14 pm
Subject: Re: [TN] NTC: Pat Goodyear "Whatzit" Photos


I should have added - "Dusty" core memory.  
Pat - Is core memory used instead of rad hard solid state, or is this
omething you had laying around?
I remember pulling some out of some 70's vintage avionics, and early 80's
cash register', but never attempted to do anything with them.  Can I sell
hem to the nuke industry and "win the lottery"?
Steve C
-----Original Message-----
rom: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
ent: Thursday, May 23, 2013 1:02 PM
o: [log in to unmask]
ubject: [TN] NTC: Pat Goodyear "Whatzit" Photos
Hey All,
 
Pat Goodyear is probably unsubscribed now  :o(  but he sent me some photos
n Tuesday to post on my page. From his email:
 
Steve, 
I am sending a couple of jpgs of XXXX, can you post them with what-is-it
itles?  See if we can stir up some old memories....
 
So I have posted them. Anybody have any ideas of what this is?
 
http://stevezeva.homestead.com/Whatzit1.JPG
 
http://stevezeva.homestead.com/Whatzit2.JPG
 
http://stevezeva.homestead.com/Whatzit3.JPG
 
He let me know what it is. I'll keep that to myself for a while to see if
nybody really knows....
 
Steve
 

_____________________________________________________________________
his email has been scanned by the Symantec Email Security.cloud service.
or more information please contact helpdesk at x2960 or [log in to unmask]
_____________________________________________________________________

_____________________________________________________________________
his email has been scanned by the Symantec Email Security.cloud service.
or more information please contact helpdesk at x2960 or [log in to unmask] 
_____________________________________________________________________


______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________