Steam engines

https://www.explainthatstuff.com/steamengines.html

George Stephenson

https://www.britannica.com/biography/George-Stephenson

Animation of How a Steam Locomotive's Boiler Works

https://www.youtube.com/watch?v=g8LrAsL4oH0&feature=youtu.be&t=28s

ПЕРВЫЙ ЖЕЛЕЗНОДОРОЖНЫЙ СОСТАВ НА ПАРОВОЙ ТЯГЕ

http://oppps.ru/pervyj-zheleznodorozhnyj-sostav-na-parovoj-tyage.html

1900s Railroad Construction

https://www.youtube.com/watch?v=kZH9JtPBq7k

John Weale. Description of the Patent Locomotive Steam Engine of Messrs. Robert Stephenson and Co., Newcastle-Upon-Tyne

https://books.google.com.br/books?id=W2dpAAAAcAAJ&pg=PA14&lpg=PA14&dq=steam+Blast+Stephenson&source=bl&ots=Z8j-tCHn2p&sig=wjvsTsmdq8G1jXiijD4XRh-n7Lk&hl=pt-BR&sa=X&ved=0ahUKEwikw92UxanbAhXBkpAKHbVAAQgQ6AEIWTAK#v=onepage&q=steam%20Blast%20Stephenson&f=false