Saw a post with someone’s meter from '83 and thought some might find this interesting. I got my first meter in '79 (an Ames glucometer) and first pump in '81 (AutoSyringe AS*6).
This pump used U40 Lilly Regular insulin which had to be diluted with the saline made specifically for the lilly regular (i.e. it was formulated identically minus insulin) as standard saline caused insulin to precipitate!! Bolus needed to be calculated as number of “clicks” needed to get ‘n’ units of insulin (since the insulin was diluted needed to do this calculation whenever basal rate was changed. Batter was an (almost) 24 hour 9 volt rechargeable (you got two so one chagred for 16 hours while one was being used).
We’ve moved quite a bit from those days - and hopefully will keep advancing!!