On Wed, 10 Apr 2019, Dave Babcock via cctalk wrote:
The issue is that for Jr. we needed a reliable,
robust, very low maintenance
device.? The IBM 1620 Jr. will be used by the CHM Education Department and
needs to stand up to hands-on use without needed difficult & expensive
maintenance.
So, . . .
not fully replicating the original real experience. :-)