Mystery Core

[Mike Loewen]

    Can anyone identify these boards?

http://sturgeon.css.psu.edu/~mloewen/DSC01381.JPG
http://sturgeon.css.psu.edu/~mloewen/DSC01382.JPG
http://sturgeon.css.psu.edu/~mloewen/DSC01463.JPG

    They're stamped IBM, with etched numbers LBJ5360, LBJ5403 and LKJ12470. 
The owner says they were given to him in 1978, and were supposedly from 
North Bay, Ontario.


Mike Loewen				mloewen at cpumagic.scol.pa.us
Old Technology	http://sturgeon.css.psu.edu/~mloewen/Oldtech/