This post results from reading Issue No. 30 of the "Railway Archive" Journal. It contains an article about the locomotives originally purchased for the Cornwall Minerals Railway. That company dramatically over-ordered motive power and when its lease was taken over by the GWR, 50% of its original order were returned to the manufacturer Sharp, Stewart of Manchester.
Eight if these locomotives found their way to the Lynn & Fakenham Railway and eventually onto the books of the Midland & Great Northern Joint Railway.
This first post about the Cornwall Minerals Railway highlights these locomotives. ...
http://rogerfarnworth.com/2020/05/17...railway-part-1