Project: British Rail 9F locmotive

I'll finish the Library painting before next Wednesday probably, so I decided to start sketching out my next painting. This time I'm going back to choo choos. My very first acrylic painting was an LMS locomotive - the challenge now is to do a better job with this picture of a British Rail 9F locmotive which was in a bit of a sorry state at the time. Hopefully I'll be able to put what little I've learned in the last 6 months into practice. Here's the sketch onto canvas: -