1965 Interview with 107 year old farmer
youtube.com
youtube.com
Not Tractors or cars or airplanes but basically, an industrial revolution.
Born in the first half of the 19th Century. Incredible
Edit: also kudos to you for having the foresight to ask - I don't know what age you were but to most kids a great grandmother is not a source of wisdom but a distraction from friends and tv. I hope she told you lots :-)