Christopher Vine’s series of 20 books tell the story of Peter and Grandpa building and operating a railway across their farm.
The Peter's Railway bookshop is here: https://petersrailway.com/shop/
Combining real engineering with adventures and true stories, these books feed inquisitive young minds!
In this video, Chris Vine explains and demonstrates the secret of how to machine Clupet Piston Rings. These are designed specially to minimise leakage, but are notoriously tricky to make.