Sometimes it's just downright fun to see what the terms factories, robots, industrial control, and automation used to mean. Here are videos that range from the 1920s to the 1960s showing how products were made in the past. I’ve even thrown in one to show that you can draw products without the use of a computer -- imagine.
What 1975 industrial robots looked like
This promotional film for the Cincinnati Milacron 6CH Arm, a computer-controlled industrial robot, shows the 6CH Arm performing various functions. It includes an explanation of flexible automation!
This Is Automation, a 1955 General Electric video on automated manufacturing
Some history of automation, and descriptions of how automation was improving factory productivity in the 1950s.