indeed.. from two old friends sharing a meal (a point similar to one I was set to make until I saw yours) to two (if it's Thomas implied) who had no...
and of course we have centuries (yes, 2) of propaganda/biased indoctrination (set as education) to keep people from thinking on meanings/goals etc of...
no bang & stumble ever had a well designed carb.. simple? yes. well designed? no. also, decades ago I knew of a b&s engineer testing a recoil starter...