Thanks. I was going to edit my post to include that article. I also found this 1983 video from the librascope company, which mentions the weight and balance co

Thanks. I was going to edit my post to include that article. I also found this 1983 video from the librascope company, which mentions the weight and balance computer in the first minute: https://youtu.be/nYeERxT1g38 https://youtu.be/nYeERxT1g38