The locomotive construction was very interesting. They used the same tools we use today - but in a tad larger size. I loved the planishing hammer! Those builders were tough guys working in a really dangerous environment. Any OSHA inspector watching the film would have a heart attack.

I've had the opportunity to get on board a UP 'Big Boy' 4-8-8-4 steam locomotive (6,000 HP) and a UP DDA40X 'Centennial' diesel-electric (6,600HP). They are amazing machines.