Hey Glyn,
Do you still have that portable luggage carrier? I wish I had saved some of the first computers and things that I had. But like with cars, I couldn't wait to get the newest. All I have is two of the old aluminum cards with rows of magnetic dots on them that we had to write the program onto. They also served as the memory banks in the big computers and were called program stores. Just to update a medium sized office back then took all day and half the night. Now it is all done by the computers themselves and in about 20 minutes for a full upgrade of program and service packs.
Ron