Well, they certainly didn't have floppy disks (*especially* 3.5" floppies) when my day was a quality inspector on the original models back in 1969.
I remember us driving past the plant in Everett WA, 747's lined up out on the field. At the time yjey had staggered shifts that would start on 15 minute intervals, just to avoid traffic congestion from everyone showing up at once.
Unfortunately Boeing was an early innovator of IBM's redundancy methodology, and once the early order crunch was over, dad was out along with some sizeable chunk of other staff that moved into the area just to work there (eventually prompting the famous "...last person leaving Seattle..." billboard https://www.historylink.org/File/1287 ). Which was OK, he eventually went on to work on to documenting other interesting projects, such as a submarine recovery system "for Howard Hughes".