History of the First Public Railway - M. Heavisides.

Michael Heavisides - The History of the First Public Railway - Stockton and Darlington Railway - the Opening day and What followed.

Coal prices went down...

View the book online here
https://archive.org/details/cu31924030117471 
Formats - eg on line or pdf

Read the book on line here https://archive.org/stream/cu31924030117471#page/n0/mode/2up

And from Henry Heavisides - The Annals of Stockton

Relating to Thomas Hackworth - John Wesley Hackworth's brother who took over at Shildon and set up as part of the Clarence line. -