I also remember the early tractors had the American style wing mirror arms and quite a large mirror for those days, Dad loved them as he was a mirror man and never hung out the door window as some others did, he often called out to me when I was on trips with him
“mind ya heed” when he had to see into the nearside mirror, after a while I got used to getting out the way as soon as reverse gear got selected, later on I used to tell my son the same thing but I wasn’t as blunt as Dad! Definately softer our generation. Strange what you recall. Franky.