Paddington to Penzance During the Diesel Era Part 1: Paddington to TauntonPaddington to Penzance During the Diesel Era Part 1: Paddington to Taunton 22. 95 Paddington to Penzance during the Diesel Era follows the course of the Great Western Railways main line from London Paddington to Penzance through a wonderful selection of colour images from the renowned railway photographer Bernard Mills. The images cover a period of more than 50 years and date back to the mid 1960s, with the primary focus being the diesel hydraulic era