I recently bought this slim volume

which records the evidence given to Parliament by a variety of people with commercial, agricultural and manufacturing interests, such as Mr. Michael Branston, Mr. Thomas Vesey – and others – Charles Ludlow Walker, Mayor of Bristol, George Stephenson of the Stockton and Darlington Railway.

And, of course, evidence from Isambard Kingdom Brunel, Esq. Civil Engineer with some of his testimony.