You can download this 1975 Souvenir booklet from Joan's Collection free via Google drive here https://drive.google.com/file/d/0B5k7a5y8QpyHT0RXZnA3QkdlNnc/view?usp=sharing
However, there is no preview available as the file is 95mb but i will give an outline of the contents and some of the pictures here. Joan would have got this booklet while a VIP guest at the opening of the Timothy Hackworth, Shildon in 1975.
Rail 150 Exhibition Guide - 1825 to 1975 - Chapters of this Book
President's Welcome - The Rt. Hon Viscount Downe.
Note from the Editor - Alan Bowman
Stockton and Darlington Railway - It's Place in History. PWB Semmens MA FRIC
Shildon Works - KW Ashbury
Restoration and Preservation of Locomotives - Maurice Burns.
Selection of Stock for Rail 150 Exhibition Cavalcade - Michael Wheeler - Chairman.
Assembling the Exhibition - George Hinchcliffe
Early Locomotion and Rolling Stock - MG Satow.
Express Passenger Locomotives.
Diesel and Petrol Locomotives.
Coaches and Rolling Stock.
The New Image
Grand Steam Cavalcade
National Railway museum
Ideas for a Day Out.
Some photos from the booklet.
Timothy Hackworth's House, Shildon
Many more photos of later trains in the booklet.